20767501880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12074129}}^1$

素因数の和:12074183

約数の個数: 32

約数和(自身を含む): 47813554800

約数和(自身を除く): 27046052920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 12074129, 24148258, 48296516, 60370645, 96593032, 120741290, 241482580, 482965160, 519187547, 1038375094, 2076750188, 2595937735, 4153500376, 5191875470, 10383750940, 20767501880]

約数ペア:

[(1, 20767501880), (2, 10383750940), (4, 5191875470), (5, 4153500376), (8, 2595937735), (10, 2076750188), (20, 1038375094), (40, 519187547), (43, 482965160), (86, 241482580), (172, 120741290), (215, 96593032), (344, 60370645), (430, 48296516), (860, 24148258), (1720, 12074129)]