20739730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1129}}^1$

素因数の和:1314

約数の個数: 32

約数和(自身を含む): 41005440

約数和(自身を除く): 20265710

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 167, 334, 835, 1129, 1670, 1837, 2258, 3674, 5645, 9185, 11290, 12419, 18370, 24838, 62095, 124190, 188543, 377086, 942715, 1885430, 2073973, 4147946, 10369865, 20739730]

約数ペア:

[(1, 20739730), (2, 10369865), (5, 4147946), (10, 2073973), (11, 1885430), (22, 942715), (55, 377086), (110, 188543), (167, 124190), (334, 62095), (835, 24838), (1129, 18370), (1670, 12419), (1837, 11290), (2258, 9185), (3674, 5645)]