20947052

素因数分解:

$2^2\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1637}}^1$

素因数の和:2105

約数の個数: 24

約数和(自身を含む): 42011424

約数和(自身を除く): 21064372

約数列:

[1, 2, 4, 7, 14, 28, 457, 914, 1637, 1828, 3199, 3274, 6398, 6548, 11459, 12796, 22918, 45836, 748109, 1496218, 2992436, 5236763, 10473526, 20947052]

約数ペア:

[(1, 20947052), (2, 10473526), (4, 5236763), (7, 2992436), (14, 1496218), (28, 748109), (457, 45836), (914, 22918), (1637, 12796), (1828, 11459), (3199, 6548), (3274, 6398)]