20402176000

素因数分解:

$2^{15}\times 5^3\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:355

約数の個数: 256

約数和(自身を含む): 54102550320

約数和(自身を除く): 33700374320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 125, 128, 136, 160, 170, 200, 250, 256, 272, 293, 320, 340, 400, 425, 500, 512, 544, 586, 640, 680, 800, 850, 1000, 1024, 1088, 1172, 1280, 1360, 1465, 1600, 1700, 2000, 2048, 2125, 2176, 2344, 2560, 2720, 2930, 3200, 3400, 4000, 4096, 4250, 4352, 4688, 4981, 5120, 5440, 5860, 6400, 6800, 7325, 8000, 8192, 8500, 8704, 9376, 9962, 10240, 10880, 11720, 12800, 13600, 14650, 16000, 16384, 17000, 17408, 18752, 19924, 20480, 21760, 23440, 24905, 25600, 27200, 29300, 32000, 32768, 34000, 34816, 36625, 37504, 39848, 40960, 43520, 46880, 49810, 51200, 54400, 58600, 64000, 68000, 69632, 73250, 75008, 79696, 81920, 87040, 93760, 99620, 102400, 108800, 117200, 124525, 128000, 136000, 139264, 146500, 150016, 159392, 163840, 174080, 187520, 199240, 204800, 217600, 234400, 249050, 256000, 272000, 278528, 293000, 300032, 318784, 348160, 375040, 398480, 409600, 435200, 468800, 498100, 512000, 544000, 557056, 586000, 600064, 622625, 637568, 696320, 750080, 796960, 819200, 870400, 937600, 996200, 1024000, 1088000, 1172000, 1200128, 1245250, 1275136, 1392640, 1500160, 1593920, 1740800, 1875200, 1992400, 2048000, 2176000, 2344000, 2400256, 2490500, 2550272, 2785280, 3000320, 3187840, 3481600, 3750400, 3984800, 4096000, 4352000, 4688000, 4800512, 4981000, 5100544, 6000640, 6375680, 6963200, 7500800, 7969600, 8704000, 9376000, 9601024, 9962000, 10201088, 12001280, 12751360, 13926400, 15001600, 15939200, 17408000, 18752000, 19924000, 20402176, 24002560, 25502720, 30003200, 31878400, 34816000, 37504000, 39848000, 40804352, 48005120, 51005440, 60006400, 63756800, 69632000, 75008000, 79696000, 81608704, 102010880, 120012800, 127513600, 150016000, 159392000, 163217408, 204021760, 240025600, 255027200, 300032000, 318784000, 408043520, 510054400, 600064000, 637568000, 816087040, 1020108800, 1200128000, 1275136000, 2040217600, 2550272000, 4080435200, 5100544000, 10201088000, 20402176000]

約数ペア:

[(1, 20402176000), (2, 10201088000), (4, 5100544000), (5, 4080435200), (8, 2550272000), (10, 2040217600), (16, 1275136000), (17, 1200128000), (20, 1020108800), (25, 816087040), (32, 637568000), (34, 600064000), (40, 510054400), (50, 408043520), (64, 318784000), (68, 300032000), (80, 255027200), (85, 240025600), (100, 204021760), (125, 163217408), (128, 159392000), (136, 150016000), (160, 127513600), (170, 120012800), (200, 102010880), (250, 81608704), (256, 79696000), (272, 75008000), (293, 69632000), (320, 63756800), (340, 60006400), (400, 51005440), (425, 48005120), (500, 40804352), (512, 39848000), (544, 37504000), (586, 34816000), (640, 31878400), (680, 30003200), (800, 25502720), (850, 24002560), (1000, 20402176), (1024, 19924000), (1088, 18752000), (1172, 17408000), (1280, 15939200), (1360, 15001600), (1465, 13926400), (1600, 12751360), (1700, 12001280), (2000, 10201088), (2048, 9962000), (2125, 9601024), (2176, 9376000), (2344, 8704000), (2560, 7969600), (2720, 7500800), (2930, 6963200), (3200, 6375680), (3400, 6000640), (4000, 5100544), (4096, 4981000), (4250, 4800512), (4352, 4688000), (4688, 4352000), (4981, 4096000), (5120, 3984800), (5440, 3750400), (5860, 3481600), (6400, 3187840), (6800, 3000320), (7325, 2785280), (8000, 2550272), (8192, 2490500), (8500, 2400256), (8704, 2344000), (9376, 2176000), (9962, 2048000), (10240, 1992400), (10880, 1875200), (11720, 1740800), (12800, 1593920), (13600, 1500160), (14650, 1392640), (16000, 1275136), (16384, 1245250), (17000, 1200128), (17408, 1172000), (18752, 1088000), (19924, 1024000), (20480, 996200), (21760, 937600), (23440, 870400), (24905, 819200), (25600, 796960), (27200, 750080), (29300, 696320), (32000, 637568), (32768, 622625), (34000, 600064), (34816, 586000), (36625, 557056), (37504, 544000), (39848, 512000), (40960, 498100), (43520, 468800), (46880, 435200), (49810, 409600), (51200, 398480), (54400, 375040), (58600, 348160), (64000, 318784), (68000, 300032), (69632, 293000), (73250, 278528), (75008, 272000), (79696, 256000), (81920, 249050), (87040, 234400), (93760, 217600), (99620, 204800), (102400, 199240), (108800, 187520), (117200, 174080), (124525, 163840), (128000, 159392), (136000, 150016), (139264, 146500)]