20443460

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6271}}^1$

素因数の和:6443

約数の個数: 24

約数和(自身を含む): 43201536

約数和(自身を除く): 22758076

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 6271, 12542, 25084, 31355, 62710, 125420, 1022173, 2044346, 4088692, 5110865, 10221730, 20443460]

約数ペア:

[(1, 20443460), (2, 10221730), (4, 5110865), (5, 4088692), (10, 2044346), (20, 1022173), (163, 125420), (326, 62710), (652, 31355), (815, 25084), (1630, 12542), (3260, 6271)]