20207796531

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2441}}^1\times {\mathrm{5737}}^1$

素因数の和:8231

約数の個数: 32

約数和(自身を含む): 29817953088

約数和(自身を除く): 9610156557

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 2441, 5737, 7323, 17211, 31733, 74581, 90317, 95199, 212269, 223743, 270951, 636807, 1174121, 2759497, 3522363, 8278491, 14004017, 42012051, 182052221, 518148629, 546156663, 1554445887, 6735932177, 20207796531]

約数ペア:

[(1, 20207796531), (3, 6735932177), (13, 1554445887), (37, 546156663), (39, 518148629), (111, 182052221), (481, 42012051), (1443, 14004017), (2441, 8278491), (5737, 3522363), (7323, 2759497), (17211, 1174121), (31733, 636807), (74581, 270951), (90317, 223743), (95199, 212269)]