20795125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 28514304

約数和(自身を除く): 7719179

約数列:

[1, 5, 13, 25, 65, 67, 125, 191, 325, 335, 871, 955, 1625, 1675, 2483, 4355, 4775, 8375, 12415, 12797, 21775, 23875, 62075, 63985, 108875, 166361, 310375, 319925, 831805, 1599625, 4159025, 20795125]

約数ペア:

[(1, 20795125), (5, 4159025), (13, 1599625), (25, 831805), (65, 319925), (67, 310375), (125, 166361), (191, 108875), (325, 63985), (335, 62075), (871, 23875), (955, 21775), (1625, 12797), (1675, 12415), (2483, 8375), (4355, 4775)]