20756908

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{281}}^1\times {\mathrm{313}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 37190160

約数和(自身を除く): 16433252

約数列:

[1, 2, 4, 59, 118, 236, 281, 313, 562, 626, 1124, 1252, 16579, 18467, 33158, 36934, 66316, 73868, 87953, 175906, 351812, 5189227, 10378454, 20756908]

約数ペア:

[(1, 20756908), (2, 10378454), (4, 5189227), (59, 351812), (118, 175906), (236, 87953), (281, 73868), (313, 66316), (562, 36934), (626, 33158), (1124, 18467), (1252, 16579)]