20121294020

素因数分解:

$2^2\times 5^1\times {\mathrm{577}}^1\times {\mathrm{1743613}}^1$

素因数の和:1744199

約数の個数: 24

約数和(自身を含む): 42327973464

約数和(自身を除く): 22206679444

約数列:

[1, 2, 4, 5, 10, 20, 577, 1154, 2308, 2885, 5770, 11540, 1743613, 3487226, 6974452, 8718065, 17436130, 34872260, 1006064701, 2012129402, 4024258804, 5030323505, 10060647010, 20121294020]

約数ペア:

[(1, 20121294020), (2, 10060647010), (4, 5030323505), (5, 4024258804), (10, 2012129402), (20, 1006064701), (577, 34872260), (1154, 17436130), (2308, 8718065), (2885, 6974452), (5770, 3487226), (11540, 1743613)]