20360180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32839}}^1$

素因数の和:32879

約数の個数: 24

約数和(自身を含む): 44136960

約数和(自身を除く): 23776780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 32839, 65678, 131356, 164195, 328390, 656780, 1018009, 2036018, 4072036, 5090045, 10180090, 20360180]

約数ペア:

[(1, 20360180), (2, 10180090), (4, 5090045), (5, 4072036), (10, 2036018), (20, 1018009), (31, 656780), (62, 328390), (124, 164195), (155, 131356), (310, 65678), (620, 32839)]