20106320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19333}}^1$

素因数の和:19359

約数の個数: 40

約数和(自身を含む): 50345736

約数和(自身を除く): 30239416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 19333, 38666, 77332, 96665, 154664, 193330, 251329, 309328, 386660, 502658, 773320, 1005316, 1256645, 1546640, 2010632, 2513290, 4021264, 5026580, 10053160, 20106320]

約数ペア:

[(1, 20106320), (2, 10053160), (4, 5026580), (5, 4021264), (8, 2513290), (10, 2010632), (13, 1546640), (16, 1256645), (20, 1005316), (26, 773320), (40, 502658), (52, 386660), (65, 309328), (80, 251329), (104, 193330), (130, 154664), (208, 96665), (260, 77332), (520, 38666), (1040, 19333)]