20101125

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^2\times {\mathrm{443}}^1$

素因数の和:483

約数の個数: 48

約数和(自身を含む): 36848448

約数和(自身を除く): 16747323

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 125, 165, 275, 363, 375, 443, 605, 825, 1329, 1375, 1815, 2215, 3025, 4125, 4873, 6645, 9075, 11075, 14619, 15125, 24365, 33225, 45375, 53603, 55375, 73095, 121825, 160809, 166125, 268015, 365475, 609125, 804045, 1340075, 1827375, 4020225, 6700375, 20101125]

約数ペア:

[(1, 20101125), (3, 6700375), (5, 4020225), (11, 1827375), (15, 1340075), (25, 804045), (33, 609125), (55, 365475), (75, 268015), (121, 166125), (125, 160809), (165, 121825), (275, 73095), (363, 55375), (375, 53603), (443, 45375), (605, 33225), (825, 24365), (1329, 15125), (1375, 14619), (1815, 11075), (2215, 9075), (3025, 6645), (4125, 4873)]