20956676

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1069}}^1$

素因数の和:1128

約数の個数: 36

約数和(自身を含む): 41120100

約数和(自身を除く): 20163424

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 169, 338, 377, 676, 754, 1069, 1508, 2138, 4276, 4901, 9802, 13897, 19604, 27794, 31001, 55588, 62002, 124004, 180661, 361322, 403013, 722644, 806026, 1612052, 5239169, 10478338, 20956676]

約数ペア:

[(1, 20956676), (2, 10478338), (4, 5239169), (13, 1612052), (26, 806026), (29, 722644), (52, 403013), (58, 361322), (116, 180661), (169, 124004), (338, 62002), (377, 55588), (676, 31001), (754, 27794), (1069, 19604), (1508, 13897), (2138, 9802), (4276, 4901)]