20808712108

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{4663}}^1\times {\mathrm{18289}}^1$

素因数の和:23017

約数の個数: 24

約数和(自身を含む): 37022179040

約数和(自身を除く): 16213466932

約数列:

[1, 2, 4, 61, 122, 244, 4663, 9326, 18289, 18652, 36578, 73156, 284443, 568886, 1115629, 1137772, 2231258, 4462516, 85281607, 170563214, 341126428, 5202178027, 10404356054, 20808712108]

約数ペア:

[(1, 20808712108), (2, 10404356054), (4, 5202178027), (61, 341126428), (122, 170563214), (244, 85281607), (4663, 4462516), (9326, 2231258), (18289, 1137772), (18652, 1115629), (36578, 568886), (73156, 284443)]