2005421620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3234551}}^1$

素因数の和:3234591

約数の個数: 24

約数和(自身を含む): 4347237888

約数和(自身を除く): 2341816268

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3234551, 6469102, 12938204, 16172755, 32345510, 64691020, 100271081, 200542162, 401084324, 501355405, 1002710810, 2005421620]

約数ペア:

[(1, 2005421620), (2, 1002710810), (4, 501355405), (5, 401084324), (10, 200542162), (20, 100271081), (31, 64691020), (62, 32345510), (124, 16172755), (155, 12938204), (310, 6469102), (620, 3234551)]