12254020

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{971}}^1$

素因数の和:1611

約数の個数: 24

約数和(自身を含む): 25800768

約数和(自身を除く): 13546748

約数列:

[1, 2, 4, 5, 10, 20, 631, 971, 1262, 1942, 2524, 3155, 3884, 4855, 6310, 9710, 12620, 19420, 612701, 1225402, 2450804, 3063505, 6127010, 12254020]

約数ペア:

[(1, 12254020), (2, 6127010), (4, 3063505), (5, 2450804), (10, 1225402), (20, 612701), (631, 19420), (971, 12620), (1262, 9710), (1942, 6310), (2524, 4855), (3155, 3884)]