20971200

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:299

約数の個数: 168

約数和(自身を含む): 73133712

約数和(自身を除く): 52162512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 32, 34, 40, 48, 50, 51, 60, 64, 68, 75, 80, 85, 96, 100, 102, 120, 136, 150, 160, 170, 192, 200, 204, 240, 255, 257, 272, 300, 320, 340, 400, 408, 425, 480, 510, 514, 544, 600, 680, 771, 800, 816, 850, 960, 1020, 1028, 1088, 1200, 1275, 1285, 1360, 1542, 1600, 1632, 1700, 2040, 2056, 2400, 2550, 2570, 2720, 3084, 3264, 3400, 3855, 4080, 4112, 4369, 4800, 5100, 5140, 5440, 6168, 6425, 6800, 7710, 8160, 8224, 8738, 10200, 10280, 12336, 12850, 13107, 13600, 15420, 16320, 16448, 17476, 19275, 20400, 20560, 21845, 24672, 25700, 26214, 27200, 30840, 34952, 38550, 40800, 41120, 43690, 49344, 51400, 52428, 61680, 65535, 69904, 77100, 81600, 82240, 87380, 102800, 104856, 109225, 123360, 131070, 139808, 154200, 174760, 205600, 209712, 218450, 246720, 262140, 279616, 308400, 327675, 349520, 411200, 419424, 436900, 524280, 616800, 655350, 699040, 838848, 873800, 1048560, 1233600, 1310700, 1398080, 1747600, 2097120, 2621400, 3495200, 4194240, 5242800, 6990400, 10485600, 20971200]

約数ペア:

[(1, 20971200), (2, 10485600), (3, 6990400), (4, 5242800), (5, 4194240), (6, 3495200), (8, 2621400), (10, 2097120), (12, 1747600), (15, 1398080), (16, 1310700), (17, 1233600), (20, 1048560), (24, 873800), (25, 838848), (30, 699040), (32, 655350), (34, 616800), (40, 524280), (48, 436900), (50, 419424), (51, 411200), (60, 349520), (64, 327675), (68, 308400), (75, 279616), (80, 262140), (85, 246720), (96, 218450), (100, 209712), (102, 205600), (120, 174760), (136, 154200), (150, 139808), (160, 131070), (170, 123360), (192, 109225), (200, 104856), (204, 102800), (240, 87380), (255, 82240), (257, 81600), (272, 77100), (300, 69904), (320, 65535), (340, 61680), (400, 52428), (408, 51400), (425, 49344), (480, 43690), (510, 41120), (514, 40800), (544, 38550), (600, 34952), (680, 30840), (771, 27200), (800, 26214), (816, 25700), (850, 24672), (960, 21845), (1020, 20560), (1028, 20400), (1088, 19275), (1200, 17476), (1275, 16448), (1285, 16320), (1360, 15420), (1542, 13600), (1600, 13107), (1632, 12850), (1700, 12336), (2040, 10280), (2056, 10200), (2400, 8738), (2550, 8224), (2570, 8160), (2720, 7710), (3084, 6800), (3264, 6425), (3400, 6168), (3855, 5440), (4080, 5140), (4112, 5100), (4369, 4800)]