20722493

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:508

約数の個数: 16

約数和(自身を含む): 23302080

約数和(自身を除く): 2579587

約数列:

[1, 11, 61, 89, 347, 671, 979, 3817, 5429, 21167, 30883, 59719, 232837, 339713, 1883863, 20722493]

約数ペア:

[(1, 20722493), (11, 1883863), (61, 339713), (89, 232837), (347, 59719), (671, 30883), (979, 21167), (3817, 5429)]