20158904

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 18548296

約数列:

[1, 2, 4, 8, 79, 158, 167, 191, 316, 334, 382, 632, 668, 764, 1336, 1528, 13193, 15089, 26386, 30178, 31897, 52772, 60356, 63794, 105544, 120712, 127588, 255176, 2519863, 5039726, 10079452, 20158904]

約数ペア:

[(1, 20158904), (2, 10079452), (4, 5039726), (8, 2519863), (79, 255176), (158, 127588), (167, 120712), (191, 105544), (316, 63794), (334, 60356), (382, 52772), (632, 31897), (668, 30178), (764, 26386), (1336, 15089), (1528, 13193)]