20107216

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9173}}^1$

素因数の和:9318

約数の個数: 20

約数和(自身を含む): 39246372

約数和(自身を除く): 19139156

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9173, 18346, 36692, 73384, 146768, 1256701, 2513402, 5026804, 10053608, 20107216]

約数ペア:

[(1, 20107216), (2, 10053608), (4, 5026804), (8, 2513402), (16, 1256701), (137, 146768), (274, 73384), (548, 36692), (1096, 18346), (2192, 9173)]