20311216

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{16069}}^1$

素因数の和:16156

約数の個数: 20

約数和(自身を含む): 39853600

約数和(自身を除く): 19542384

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 16069, 32138, 64276, 128552, 257104, 1269451, 2538902, 5077804, 10155608, 20311216]

約数ペア:

[(1, 20311216), (2, 10155608), (4, 5077804), (8, 2538902), (16, 1269451), (79, 257104), (158, 128552), (316, 64276), (632, 32138), (1264, 16069)]