22105820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1129}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 51256800

約数和(自身を除く): 29150980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1129, 1780, 1958, 2258, 3916, 4516, 4895, 5645, 9790, 11290, 12419, 19580, 22580, 24838, 49676, 62095, 100481, 124190, 200962, 248380, 401924, 502405, 1004810, 1105291, 2009620, 2210582, 4421164, 5526455, 11052910, 22105820]

約数ペア:

[(1, 22105820), (2, 11052910), (4, 5526455), (5, 4421164), (10, 2210582), (11, 2009620), (20, 1105291), (22, 1004810), (44, 502405), (55, 401924), (89, 248380), (110, 200962), (178, 124190), (220, 100481), (356, 62095), (445, 49676), (890, 24838), (979, 22580), (1129, 19580), (1780, 12419), (1958, 11290), (2258, 9790), (3916, 5645), (4516, 4895)]