20930625

素因数分解:

$3^2\times 5^4\times {\mathrm{61}}^2$

素因数の和:148

約数の個数: 45

約数和(自身を含む): 38408799

約数和(自身を除く): 17478174

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 125, 183, 225, 305, 375, 549, 625, 915, 1125, 1525, 1875, 2745, 3721, 4575, 5625, 7625, 11163, 13725, 18605, 22875, 33489, 38125, 55815, 68625, 93025, 114375, 167445, 279075, 343125, 465125, 837225, 1395375, 2325625, 4186125, 6976875, 20930625]

約数ペア:

[(1, 20930625), (3, 6976875), (5, 4186125), (9, 2325625), (15, 1395375), (25, 837225), (45, 465125), (61, 343125), (75, 279075), (125, 167445), (183, 114375), (225, 93025), (305, 68625), (375, 55815), (549, 38125), (625, 33489), (915, 22875), (1125, 18605), (1525, 13725), (1875, 11163), (2745, 7625), (3721, 5625)]