20778826221

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1\times {\mathrm{9133}}^1$

素因数の和:9570

約数の個数: 48

約数和(自身を含む): 32487811200

約数和(自身を除く): 11708984979

約数列:

[1, 3, 9, 23, 29, 69, 87, 207, 261, 379, 667, 1137, 2001, 3411, 6003, 8717, 9133, 10991, 26151, 27399, 32973, 78453, 82197, 98919, 210059, 252793, 264857, 630177, 758379, 794571, 1890531, 2275137, 2383713, 3461407, 6091711, 10384221, 18275133, 31152663, 54825399, 79612361, 100380803, 238837083, 301142409, 716511249, 903427227, 2308758469, 6926275407, 20778826221]

約数ペア:

[(1, 20778826221), (3, 6926275407), (9, 2308758469), (23, 903427227), (29, 716511249), (69, 301142409), (87, 238837083), (207, 100380803), (261, 79612361), (379, 54825399), (667, 31152663), (1137, 18275133), (2001, 10384221), (3411, 6091711), (6003, 3461407), (8717, 2383713), (9133, 2275137), (10991, 1890531), (26151, 794571), (27399, 758379), (32973, 630177), (78453, 264857), (82197, 252793), (98919, 210059)]