20491125

素因数分解:

$3^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{1031}}^1$

素因数の和:1102

約数の個数: 32

約数和(自身を含む): 34774272

約数和(自身を除く): 14283147

約数列:

[1, 3, 5, 15, 25, 53, 75, 125, 159, 265, 375, 795, 1031, 1325, 3093, 3975, 5155, 6625, 15465, 19875, 25775, 54643, 77325, 128875, 163929, 273215, 386625, 819645, 1366075, 4098225, 6830375, 20491125]

約数ペア:

[(1, 20491125), (3, 6830375), (5, 4098225), (15, 1366075), (25, 819645), (53, 386625), (75, 273215), (125, 163929), (159, 128875), (265, 77325), (375, 54643), (795, 25775), (1031, 19875), (1325, 15465), (3093, 6625), (3975, 5155)]