20448337

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{683}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 26199936

約数和(自身を除く): 5751599

約数列:

[1, 7, 13, 47, 49, 91, 329, 611, 637, 683, 2303, 4277, 4781, 8879, 29939, 32101, 33467, 62153, 224707, 417313, 435071, 1572949, 2921191, 20448337]

約数ペア:

[(1, 20448337), (7, 2921191), (13, 1572949), (47, 435071), (49, 417313), (91, 224707), (329, 62153), (611, 33467), (637, 32101), (683, 29939), (2303, 8879), (4277, 4781)]