20808438

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{10111}}^1$

素因数の和:10137

約数の個数: 32

約数和(自身を含む): 48537600

約数和(自身を除く): 27729162

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 2058, 10111, 20222, 30333, 60666, 70777, 141554, 212331, 424662, 495439, 990878, 1486317, 2972634, 3468073, 6936146, 10404219, 20808438]

約数ペア:

[(1, 20808438), (2, 10404219), (3, 6936146), (6, 3468073), (7, 2972634), (14, 1486317), (21, 990878), (42, 495439), (49, 424662), (98, 212331), (147, 141554), (294, 70777), (343, 60666), (686, 30333), (1029, 20222), (2058, 10111)]