20145282015

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2213}}^1\times {\mathrm{4073}}^1$

素因数の和:6443

約数の個数: 32

約数和(自身を含む): 32471409600

約数和(自身を除く): 12326127585

約数列:

[1, 3, 5, 15, 149, 447, 745, 2213, 2235, 4073, 6639, 11065, 12219, 20365, 33195, 61095, 329737, 606877, 989211, 1648685, 1820631, 3034385, 4946055, 9013549, 9103155, 27040647, 45067745, 135203235, 1343018801, 4029056403, 6715094005, 20145282015]

約数ペア:

[(1, 20145282015), (3, 6715094005), (5, 4029056403), (15, 1343018801), (149, 135203235), (447, 45067745), (745, 27040647), (2213, 9103155), (2235, 9013549), (4073, 4946055), (6639, 3034385), (11065, 1820631), (12219, 1648685), (20365, 989211), (33195, 606877), (61095, 329737)]