20174980665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1381}}^1\times {\mathrm{139133}}^1$

素因数の和:140529

約数の個数: 32

約数和(自身を含む): 36918372096

約数和(自身を除く): 16743391431

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1381, 4143, 6905, 9667, 20715, 29001, 48335, 139133, 145005, 417399, 695665, 973931, 2086995, 2921793, 4869655, 14608965, 192142673, 576428019, 960713365, 1344998711, 2882140095, 4034996133, 6724993555, 20174980665]

約数ペア:

[(1, 20174980665), (3, 6724993555), (5, 4034996133), (7, 2882140095), (15, 1344998711), (21, 960713365), (35, 576428019), (105, 192142673), (1381, 14608965), (4143, 4869655), (6905, 2921793), (9667, 2086995), (20715, 973931), (29001, 695665), (48335, 417399), (139133, 145005)]