20778944

素因数分解:

$2^6\times {\mathrm{149}}^1\times {\mathrm{2179}}^1$

素因数の和:2340

約数の個数: 28

約数和(自身を含む): 41529000

約数和(自身を除く): 20750056

約数列:

[1, 2, 4, 8, 16, 32, 64, 149, 298, 596, 1192, 2179, 2384, 4358, 4768, 8716, 9536, 17432, 34864, 69728, 139456, 324671, 649342, 1298684, 2597368, 5194736, 10389472, 20778944]

約数ペア:

[(1, 20778944), (2, 10389472), (4, 5194736), (8, 2597368), (16, 1298684), (32, 649342), (64, 324671), (149, 139456), (298, 69728), (596, 34864), (1192, 17432), (2179, 9536), (2384, 8716), (4358, 4768)]