20084125

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:190

約数の個数: 32

約数和(自身を含む): 26597376

約数和(自身を除く): 6513251

約数列:

[1, 5, 25, 31, 71, 73, 125, 155, 355, 365, 775, 1775, 1825, 2201, 2263, 3875, 5183, 8875, 9125, 11005, 11315, 25915, 55025, 56575, 129575, 160673, 275125, 282875, 647875, 803365, 4016825, 20084125]

約数ペア:

[(1, 20084125), (5, 4016825), (25, 803365), (31, 647875), (71, 282875), (73, 275125), (125, 160673), (155, 129575), (355, 56575), (365, 55025), (775, 25915), (1775, 11315), (1825, 11005), (2201, 9125), (2263, 8875), (3875, 5183)]