20121635870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41064563}}^1$

素因数の和:41064584

約数の個数: 24

約数和(自身を含む): 42132242664

約数和(自身を除く): 22010606794

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41064563, 82129126, 205322815, 287451941, 410645630, 574903882, 1437259705, 2012163587, 2874519410, 4024327174, 10060817935, 20121635870]

約数ペア:

[(1, 20121635870), (2, 10060817935), (5, 4024327174), (7, 2874519410), (10, 2012163587), (14, 1437259705), (35, 574903882), (49, 410645630), (70, 287451941), (98, 205322815), (245, 82129126), (490, 41064563)]