20880846

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{165721}}^1$

素因数の和:165736

約数の個数: 24

約数和(自身を含む): 51705264

約数和(自身を除く): 30824418

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 165721, 331442, 497163, 994326, 1160047, 1491489, 2320094, 2982978, 3480141, 6960282, 10440423, 20880846]

約数ペア:

[(1, 20880846), (2, 10440423), (3, 6960282), (6, 3480141), (7, 2982978), (9, 2320094), (14, 1491489), (18, 1160047), (21, 994326), (42, 497163), (63, 331442), (126, 165721)]