20359250

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 40974336

約数和(自身を除く): 20615086

約数列:

[1, 2, 5, 10, 25, 31, 37, 50, 62, 71, 74, 125, 142, 155, 185, 250, 310, 355, 370, 710, 775, 925, 1147, 1550, 1775, 1850, 2201, 2294, 2627, 3550, 3875, 4402, 4625, 5254, 5735, 7750, 8875, 9250, 11005, 11470, 13135, 17750, 22010, 26270, 28675, 55025, 57350, 65675, 81437, 110050, 131350, 143375, 162874, 275125, 286750, 328375, 407185, 550250, 656750, 814370, 2035925, 4071850, 10179625, 20359250]

約数ペア:

[(1, 20359250), (2, 10179625), (5, 4071850), (10, 2035925), (25, 814370), (31, 656750), (37, 550250), (50, 407185), (62, 328375), (71, 286750), (74, 275125), (125, 162874), (142, 143375), (155, 131350), (185, 110050), (250, 81437), (310, 65675), (355, 57350), (370, 55025), (710, 28675), (775, 26270), (925, 22010), (1147, 17750), (1550, 13135), (1775, 11470), (1850, 11005), (2201, 9250), (2294, 8875), (2627, 7750), (3550, 5735), (3875, 5254), (4402, 4625)]