20171249943

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{659}}^1\times {\mathrm{4999}}^1$

素因数の和:5831

約数の個数: 32

約数和(自身を含む): 29198400000

約数和(自身を除く): 9027150057

約数列:

[1, 3, 13, 39, 157, 471, 659, 1977, 2041, 4999, 6123, 8567, 14997, 25701, 64987, 103463, 194961, 310389, 784843, 1345019, 2354529, 3294341, 4035057, 9883023, 10202959, 30608877, 42826433, 128479299, 517211537, 1551634611, 6723749981, 20171249943]

約数ペア:

[(1, 20171249943), (3, 6723749981), (13, 1551634611), (39, 517211537), (157, 128479299), (471, 42826433), (659, 30608877), (1977, 10202959), (2041, 9883023), (4999, 4035057), (6123, 3294341), (8567, 2354529), (14997, 1345019), (25701, 784843), (64987, 310389), (103463, 194961)]