20741040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28807}}^1$

素因数の和:28826

約数の個数: 60

約数和(自身を含む): 69657744

約数和(自身を除く): 48916704

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28807, 57614, 86421, 115228, 144035, 172842, 230456, 259263, 288070, 345684, 432105, 460912, 518526, 576140, 691368, 864210, 1037052, 1152280, 1296315, 1382736, 1728420, 2074104, 2304560, 2592630, 3456840, 4148208, 5185260, 6913680, 10370520, 20741040]

約数ペア:

[(1, 20741040), (2, 10370520), (3, 6913680), (4, 5185260), (5, 4148208), (6, 3456840), (8, 2592630), (9, 2304560), (10, 2074104), (12, 1728420), (15, 1382736), (16, 1296315), (18, 1152280), (20, 1037052), (24, 864210), (30, 691368), (36, 576140), (40, 518526), (45, 460912), (48, 432105), (60, 345684), (72, 288070), (80, 259263), (90, 230456), (120, 172842), (144, 144035), (180, 115228), (240, 86421), (360, 57614), (720, 28807)]