20688524

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{829}}^1$

素因数の和:1217

約数の個数: 24

約数和(自身を含む): 38485440

約数和(自身を除く): 17796916

約数列:

[1, 2, 4, 17, 34, 68, 367, 734, 829, 1468, 1658, 3316, 6239, 12478, 14093, 24956, 28186, 56372, 304243, 608486, 1216972, 5172131, 10344262, 20688524]

約数ペア:

[(1, 20688524), (2, 10344262), (4, 5172131), (17, 1216972), (34, 608486), (68, 304243), (367, 56372), (734, 28186), (829, 24956), (1468, 14093), (1658, 12478), (3316, 6239)]