20516028

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{379}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 51838080

約数和(自身を除く): 31322052

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 347, 379, 694, 758, 1041, 1137, 1388, 1516, 2082, 2274, 4164, 4511, 4548, 4927, 9022, 9854, 13533, 14781, 18044, 19708, 27066, 29562, 54132, 59124, 131513, 263026, 394539, 526052, 789078, 1578156, 1709669, 3419338, 5129007, 6838676, 10258014, 20516028]

約数ペア:

[(1, 20516028), (2, 10258014), (3, 6838676), (4, 5129007), (6, 3419338), (12, 1709669), (13, 1578156), (26, 789078), (39, 526052), (52, 394539), (78, 263026), (156, 131513), (347, 59124), (379, 54132), (694, 29562), (758, 27066), (1041, 19708), (1137, 18044), (1388, 14781), (1516, 13533), (2082, 9854), (2274, 9022), (4164, 4927), (4511, 4548)]