20217142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{3391}}^1$

素因数の和:3675

約数の個数: 16

約数和(自身を含む): 33214464

約数和(自身を除く): 12997322

約数列:

[1, 2, 11, 22, 271, 542, 2981, 3391, 5962, 6782, 37301, 74602, 918961, 1837922, 10108571, 20217142]

約数ペア:

[(1, 20217142), (2, 10108571), (11, 1837922), (22, 918961), (271, 74602), (542, 37301), (2981, 6782), (3391, 5962)]