20201778

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{10111}}^1$

素因数の和:10159

約数の個数: 32

約数和(自身を含む): 46110720

約数和(自身を除く): 25908942

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 10111, 20222, 30333, 60666, 90999, 181998, 272997, 374107, 545994, 748214, 1122321, 2244642, 3366963, 6733926, 10100889, 20201778]

約数ペア:

[(1, 20201778), (2, 10100889), (3, 6733926), (6, 3366963), (9, 2244642), (18, 1122321), (27, 748214), (37, 545994), (54, 374107), (74, 272997), (111, 181998), (222, 90999), (333, 60666), (666, 30333), (999, 20222), (1998, 10111)]