20174879980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32540129}}^1$

素因数の和:32540169

約数の個数: 24

約数和(自身を含む): 43733934720

約数和(自身を除く): 23559054740

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 32540129, 65080258, 130160516, 162700645, 325401290, 650802580, 1008743999, 2017487998, 4034975996, 5043719995, 10087439990, 20174879980]

約数ペア:

[(1, 20174879980), (2, 10087439990), (4, 5043719995), (5, 4034975996), (10, 2017487998), (20, 1008743999), (31, 650802580), (62, 325401290), (124, 162700645), (155, 130160516), (310, 65080258), (620, 32540129)]