20602019990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{66458129}}^1$

素因数の和:66458167

約数の個数: 16

約数和(自身を含む): 38279882880

約数和(自身を除く): 17677862890

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 66458129, 132916258, 332290645, 664581290, 2060201999, 4120403998, 10301009995, 20602019990]

約数ペア:

[(1, 20602019990), (2, 10301009995), (5, 4120403998), (10, 2060201999), (31, 664581290), (62, 332290645), (155, 132916258), (310, 66458129)]