20121054020

素因数分解:

$2^2\times 5^1\times {\mathrm{7229}}^1\times {\mathrm{139169}}^1$

素因数の和:146407

約数の個数: 24

約数和(自身を含む): 42260362200

約数和(自身を除く): 22139308180

約数列:

[1, 2, 4, 5, 10, 20, 7229, 14458, 28916, 36145, 72290, 139169, 144580, 278338, 556676, 695845, 1391690, 2783380, 1006052701, 2012105402, 4024210804, 5030263505, 10060527010, 20121054020]

約数ペア:

[(1, 20121054020), (2, 10060527010), (4, 5030263505), (5, 4024210804), (10, 2012105402), (20, 1006052701), (7229, 2783380), (14458, 1391690), (28916, 695845), (36145, 556676), (72290, 278338), (139169, 144580)]