20860748

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{2389}}^1$

素因数の和:2489

約数の個数: 24

約数和(自身を含む): 38144400

約数和(自身を除く): 17283652

約数列:

[1, 2, 4, 37, 59, 74, 118, 148, 236, 2183, 2389, 4366, 4778, 8732, 9556, 88393, 140951, 176786, 281902, 353572, 563804, 5215187, 10430374, 20860748]

約数ペア:

[(1, 20860748), (2, 10430374), (4, 5215187), (37, 563804), (59, 353572), (74, 281902), (118, 176786), (148, 140951), (236, 88393), (2183, 9556), (2389, 8732), (4366, 4778)]