20213156

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{569}}^1$

素因数の和:763

約数の個数: 24

約数和(自身を含む): 36197280

約数和(自身を除く): 15984124

約数列:

[1, 2, 4, 83, 107, 166, 214, 332, 428, 569, 1138, 2276, 8881, 17762, 35524, 47227, 60883, 94454, 121766, 188908, 243532, 5053289, 10106578, 20213156]

約数ペア:

[(1, 20213156), (2, 10106578), (4, 5053289), (83, 243532), (107, 188908), (166, 121766), (214, 94454), (332, 60883), (428, 47227), (569, 35524), (1138, 17762), (2276, 8881)]