20405979236

素因数分解:

$2^2\times {\mathrm{179}}^1\times {\mathrm{28499971}}^1$

素因数の和:28500154

約数の個数: 12

約数和(自身を含む): 35909964720

約数和(自身を除く): 15503985484

約数列:

[1, 2, 4, 179, 358, 716, 28499971, 56999942, 113999884, 5101494809, 10202989618, 20405979236]

約数ペア:

[(1, 20405979236), (2, 10202989618), (4, 5101494809), (179, 113999884), (358, 56999942), (716, 28499971)]