20545508715

素因数分解:

$3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{547}}^1\times {\mathrm{9521}}^1$

素因数の和:10339

約数の個数: 32

約数和(自身を含む): 33061602816

約数和(自身を除く): 12516094101

約数列:

[1, 3, 5, 15, 263, 547, 789, 1315, 1641, 2735, 3945, 8205, 9521, 28563, 47605, 142815, 143861, 431583, 719305, 2157915, 2504023, 5207987, 7512069, 12520115, 15623961, 26039935, 37560345, 78119805, 1369700581, 4109101743, 6848502905, 20545508715]

約数ペア:

[(1, 20545508715), (3, 6848502905), (5, 4109101743), (15, 1369700581), (263, 78119805), (547, 37560345), (789, 26039935), (1315, 15623961), (1641, 12520115), (2735, 7512069), (3945, 5207987), (8205, 2504023), (9521, 2157915), (28563, 719305), (47605, 431583), (142815, 143861)]