20095372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2909}}^1$

素因数の和:3081

約数の個数: 24

約数和(自身を含む): 38621520

約数和(自身を除く): 18526148

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 2909, 3454, 5818, 6908, 11636, 31999, 63998, 127996, 456713, 913426, 1826852, 5023843, 10047686, 20095372]

約数ペア:

[(1, 20095372), (2, 10047686), (4, 5023843), (11, 1826852), (22, 913426), (44, 456713), (157, 127996), (314, 63998), (628, 31999), (1727, 11636), (2909, 6908), (3454, 5818)]