20409869931

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{17609}}^1$

素因数の和:17768

約数の個数: 48

約数和(自身を含む): 31178434560

約数和(自身を除く): 10768564629

約数列:

[1, 3, 11, 31, 33, 93, 103, 121, 309, 341, 363, 1023, 1133, 3193, 3399, 3751, 9579, 11253, 12463, 17609, 35123, 37389, 52827, 105369, 193699, 386353, 545879, 581097, 1159059, 1637637, 1813727, 2130689, 5441181, 6004669, 6392067, 18014007, 19950997, 56225537, 59852991, 66051359, 168676611, 198154077, 219460967, 618480907, 658382901, 1855442721, 6803289977, 20409869931]

約数ペア:

[(1, 20409869931), (3, 6803289977), (11, 1855442721), (31, 658382901), (33, 618480907), (93, 219460967), (103, 198154077), (121, 168676611), (309, 66051359), (341, 59852991), (363, 56225537), (1023, 19950997), (1133, 18014007), (3193, 6392067), (3399, 6004669), (3751, 5441181), (9579, 2130689), (11253, 1813727), (12463, 1637637), (17609, 1159059), (35123, 581097), (37389, 545879), (52827, 386353), (105369, 193699)]