20158450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31013}}^1$

素因数の和:31038

約数の個数: 24

約数和(自身を含む): 40380228

約数和(自身を除く): 20221778

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 31013, 62026, 155065, 310130, 403169, 775325, 806338, 1550650, 2015845, 4031690, 10079225, 20158450]

約数ペア:

[(1, 20158450), (2, 10079225), (5, 4031690), (10, 2015845), (13, 1550650), (25, 806338), (26, 775325), (50, 403169), (65, 310130), (130, 155065), (325, 62026), (650, 31013)]