11661620

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4451}}^1$

素因数の和:4591

約数の個数: 24

約数和(自身を含む): 24681888

約数和(自身を除く): 13020268

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 4451, 8902, 17804, 22255, 44510, 89020, 583081, 1166162, 2332324, 2915405, 5830810, 11661620]

約数ペア:

[(1, 11661620), (2, 5830810), (4, 2915405), (5, 2332324), (10, 1166162), (20, 583081), (131, 89020), (262, 44510), (524, 22255), (655, 17804), (1310, 8902), (2620, 4451)]