20881308

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{248587}}^1$

素因数の和:248601

約数の個数: 24

約数和(自身を含む): 55683712

約数和(自身を除く): 34802404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 248587, 497174, 745761, 994348, 1491522, 1740109, 2983044, 3480218, 5220327, 6960436, 10440654, 20881308]

約数ペア:

[(1, 20881308), (2, 10440654), (3, 6960436), (4, 5220327), (6, 3480218), (7, 2983044), (12, 1740109), (14, 1491522), (21, 994348), (28, 745761), (42, 497174), (84, 248587)]