20917638

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{166013}}^1$

素因数の和:166028

約数の個数: 24

約数和(自身を含む): 51796368

約数和(自身を除く): 30878730

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 166013, 332026, 498039, 996078, 1162091, 1494117, 2324182, 2988234, 3486273, 6972546, 10458819, 20917638]

約数ペア:

[(1, 20917638), (2, 10458819), (3, 6972546), (6, 3486273), (7, 2988234), (9, 2324182), (14, 1494117), (18, 1162091), (21, 996078), (42, 498039), (63, 332026), (126, 166013)]