42420016

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{61657}}^1$

素因数の和:61708

約数の個数: 20

約数和(自身を含む): 84101512

約数和(自身を除く): 41681496

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 61657, 123314, 246628, 493256, 986512, 2651251, 5302502, 10605004, 21210008, 42420016]

約数ペア:

[(1, 42420016), (2, 21210008), (4, 10605004), (8, 5302502), (16, 2651251), (43, 986512), (86, 493256), (172, 246628), (344, 123314), (688, 61657)]