20336620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32801}}^1$

素因数の和:32841

約数の個数: 24

約数和(自身を含む): 44085888

約数和(自身を除く): 23749268

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 32801, 65602, 131204, 164005, 328010, 656020, 1016831, 2033662, 4067324, 5084155, 10168310, 20336620]

約数ペア:

[(1, 20336620), (2, 10168310), (4, 5084155), (5, 4067324), (10, 2033662), (20, 1016831), (31, 656020), (62, 328010), (124, 164005), (155, 131204), (310, 65602), (620, 32801)]