20100075

素因数分解:

$3^1\times 5^2\times {\mathrm{283}}^1\times {\mathrm{947}}^1$

素因数の和:1243

約数の個数: 24

約数和(自身を含む): 33384768

約数和(自身を除く): 13284693

約数列:

[1, 3, 5, 15, 25, 75, 283, 849, 947, 1415, 2841, 4245, 4735, 7075, 14205, 21225, 23675, 71025, 268001, 804003, 1340005, 4020015, 6700025, 20100075]

約数ペア:

[(1, 20100075), (3, 6700025), (5, 4020015), (15, 1340005), (25, 804003), (75, 268001), (283, 71025), (849, 23675), (947, 21225), (1415, 14205), (2841, 7075), (4245, 4735)]