20865268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{9467}}^1$

素因数の和:9519

約数の個数: 24

約数和(自身を含む): 39765600

約数和(自身を除く): 18900332

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 551, 1102, 2204, 9467, 18934, 37868, 179873, 274543, 359746, 549086, 719492, 1098172, 5216317, 10432634, 20865268]

約数ペア:

[(1, 20865268), (2, 10432634), (4, 5216317), (19, 1098172), (29, 719492), (38, 549086), (58, 359746), (76, 274543), (116, 179873), (551, 37868), (1102, 18934), (2204, 9467)]