20878326

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{165701}}^1$

素因数の和:165716

約数の個数: 24

約数和(自身を含む): 51699024

約数和(自身を除く): 30820698

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 165701, 331402, 497103, 994206, 1159907, 1491309, 2319814, 2982618, 3479721, 6959442, 10439163, 20878326]

約数ペア:

[(1, 20878326), (2, 10439163), (3, 6959442), (6, 3479721), (7, 2982618), (9, 2319814), (14, 1491309), (18, 1159907), (21, 994206), (42, 497103), (63, 331402), (126, 165701)]