20471529

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{1487}}^1$

素因数の和:1856

約数の個数: 16

約数和(自身を含む): 29498112

約数和(自身を除く): 9026583

約数列:

[1, 3, 13, 39, 353, 1059, 1487, 4461, 4589, 13767, 19331, 57993, 524911, 1574733, 6823843, 20471529]

約数ペア:

[(1, 20471529), (3, 6823843), (13, 1574733), (39, 524911), (353, 57993), (1059, 19331), (1487, 13767), (4461, 4589)]