20479856

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9343}}^1$

素因数の和:9488

約数の個数: 20

約数和(自身を含む): 39973632

約数和(自身を除く): 19493776

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9343, 18686, 37372, 74744, 149488, 1279991, 2559982, 5119964, 10239928, 20479856]

約数ペア:

[(1, 20479856), (2, 10239928), (4, 5119964), (8, 2559982), (16, 1279991), (137, 149488), (274, 74744), (548, 37372), (1096, 18686), (2192, 9343)]