20512191579

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1\times {\mathrm{26107}}^1$

素因数の和:26971

約数の個数: 32

約数和(自身を含む): 30903517440

約数和(自身を除く): 10391325861

約数列:

[1, 3, 11, 29, 33, 87, 319, 821, 957, 2463, 9031, 23809, 26107, 27093, 71427, 78321, 261899, 287177, 757103, 785697, 861531, 2271309, 8328133, 21433847, 24984399, 64301541, 235772317, 621581563, 707316951, 1864744689, 6837397193, 20512191579]

約数ペア:

[(1, 20512191579), (3, 6837397193), (11, 1864744689), (29, 707316951), (33, 621581563), (87, 235772317), (319, 64301541), (821, 24984399), (957, 21433847), (2463, 8328133), (9031, 2271309), (23809, 861531), (26107, 785697), (27093, 757103), (71427, 287177), (78321, 261899)]