20435385840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{19489}}^1$

素因数の和:19779

約数の個数: 160

約数和(自身を含む): 67340600640

約数和(自身を除く): 46905214800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 257, 272, 340, 408, 510, 514, 680, 771, 816, 1020, 1028, 1285, 1360, 1542, 2040, 2056, 2570, 3084, 3855, 4080, 4112, 4369, 5140, 6168, 7710, 8738, 10280, 12336, 13107, 15420, 17476, 19489, 20560, 21845, 26214, 30840, 34952, 38978, 43690, 52428, 58467, 61680, 65535, 69904, 77956, 87380, 97445, 104856, 116934, 131070, 155912, 174760, 194890, 209712, 233868, 262140, 292335, 311824, 331313, 349520, 389780, 467736, 524280, 584670, 662626, 779560, 935472, 993939, 1048560, 1169340, 1325252, 1559120, 1656565, 1987878, 2338680, 2650504, 3313130, 3975756, 4677360, 4969695, 5008673, 5301008, 6626260, 7951512, 9939390, 10017346, 13252520, 15026019, 15903024, 19878780, 20034692, 25043365, 26505040, 30052038, 39757560, 40069384, 50086730, 60104076, 75130095, 79515120, 80138768, 85147441, 100173460, 120208152, 150260190, 170294882, 200346920, 240416304, 255442323, 300520380, 340589764, 400693840, 425737205, 510884646, 601040760, 681179528, 851474410, 1021769292, 1202081520, 1277211615, 1362359056, 1702948820, 2043538584, 2554423230, 3405897640, 4087077168, 5108846460, 6811795280, 10217692920, 20435385840]

約数ペア:

[(1, 20435385840), (2, 10217692920), (3, 6811795280), (4, 5108846460), (5, 4087077168), (6, 3405897640), (8, 2554423230), (10, 2043538584), (12, 1702948820), (15, 1362359056), (16, 1277211615), (17, 1202081520), (20, 1021769292), (24, 851474410), (30, 681179528), (34, 601040760), (40, 510884646), (48, 425737205), (51, 400693840), (60, 340589764), (68, 300520380), (80, 255442323), (85, 240416304), (102, 200346920), (120, 170294882), (136, 150260190), (170, 120208152), (204, 100173460), (240, 85147441), (255, 80138768), (257, 79515120), (272, 75130095), (340, 60104076), (408, 50086730), (510, 40069384), (514, 39757560), (680, 30052038), (771, 26505040), (816, 25043365), (1020, 20034692), (1028, 19878780), (1285, 15903024), (1360, 15026019), (1542, 13252520), (2040, 10017346), (2056, 9939390), (2570, 7951512), (3084, 6626260), (3855, 5301008), (4080, 5008673), (4112, 4969695), (4369, 4677360), (5140, 3975756), (6168, 3313130), (7710, 2650504), (8738, 2338680), (10280, 1987878), (12336, 1656565), (13107, 1559120), (15420, 1325252), (17476, 1169340), (19489, 1048560), (20560, 993939), (21845, 935472), (26214, 779560), (30840, 662626), (34952, 584670), (38978, 524280), (43690, 467736), (52428, 389780), (58467, 349520), (61680, 331313), (65535, 311824), (69904, 292335), (77956, 262140), (87380, 233868), (97445, 209712), (104856, 194890), (116934, 174760), (131070, 155912)]