20233213

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:118

約数の個数: 64

約数和(自身を含む): 30481920

約数和(自身を除く): 10248707

約数列:

[1, 7, 11, 13, 17, 29, 41, 77, 91, 119, 143, 187, 203, 221, 287, 319, 377, 451, 493, 533, 697, 1001, 1189, 1309, 1547, 2233, 2431, 2639, 3157, 3451, 3731, 4147, 4879, 5423, 5863, 6409, 7667, 8323, 9061, 13079, 15457, 17017, 20213, 29029, 37961, 41041, 44863, 53669, 63427, 70499, 91553, 99671, 108199, 141491, 170027, 222343, 262769, 493493, 697697, 1190189, 1556401, 1839383, 2890459, 20233213]

約数ペア:

[(1, 20233213), (7, 2890459), (11, 1839383), (13, 1556401), (17, 1190189), (29, 697697), (41, 493493), (77, 262769), (91, 222343), (119, 170027), (143, 141491), (187, 108199), (203, 99671), (221, 91553), (287, 70499), (319, 63427), (377, 53669), (451, 44863), (493, 41041), (533, 37961), (697, 29029), (1001, 20213), (1189, 17017), (1309, 15457), (1547, 13079), (2233, 9061), (2431, 8323), (2639, 7667), (3157, 6409), (3451, 5863), (3731, 5423), (4147, 4879)]