20967526

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{1667}}^1$

素因数の和:2019

約数の個数: 16

約数和(自身を含む): 33226560

約数和(自身を除く): 12259034

約数列:

[1, 2, 19, 38, 331, 662, 1667, 3334, 6289, 12578, 31673, 63346, 551777, 1103554, 10483763, 20967526]

約数ペア:

[(1, 20967526), (2, 10483763), (19, 1103554), (38, 551777), (331, 63346), (662, 31673), (1667, 12578), (3334, 6289)]