20122562512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1087001}}^1$

素因数の和:1087111

約数の個数: 40

約数和(自身を含む): 42458298120

約数和(自身を除く): 22335735608

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 1157, 1424, 2314, 4628, 9256, 18512, 1087001, 2174002, 4348004, 8696008, 14131013, 17392016, 28262026, 56524052, 96743089, 113048104, 193486178, 226096208, 386972356, 773944712, 1257660157, 1547889424, 2515320314, 5030640628, 10061281256, 20122562512]

約数ペア:

[(1, 20122562512), (2, 10061281256), (4, 5030640628), (8, 2515320314), (13, 1547889424), (16, 1257660157), (26, 773944712), (52, 386972356), (89, 226096208), (104, 193486178), (178, 113048104), (208, 96743089), (356, 56524052), (712, 28262026), (1157, 17392016), (1424, 14131013), (2314, 8696008), (4628, 4348004), (9256, 2174002), (18512, 1087001)]