20870068

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{3581}}^1$

素因数の和:3663

約数の個数: 24

約数和(自身を含む): 38513664

約数和(自身を除く): 17643596

約数列:

[1, 2, 4, 31, 47, 62, 94, 124, 188, 1457, 2914, 3581, 5828, 7162, 14324, 111011, 168307, 222022, 336614, 444044, 673228, 5217517, 10435034, 20870068]

約数ペア:

[(1, 20870068), (2, 10435034), (4, 5217517), (31, 673228), (47, 444044), (62, 336614), (94, 222022), (124, 168307), (188, 111011), (1457, 14324), (2914, 7162), (3581, 5828)]