20958604

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{977}}^1$

素因数の和:1185

約数の個数: 24

約数和(自身を含む): 38118528

約数和(自身を除く): 17159924

約数列:

[1, 2, 4, 31, 62, 124, 173, 346, 692, 977, 1954, 3908, 5363, 10726, 21452, 30287, 60574, 121148, 169021, 338042, 676084, 5239651, 10479302, 20958604]

約数ペア:

[(1, 20958604), (2, 10479302), (4, 5239651), (31, 676084), (62, 338042), (124, 169021), (173, 121148), (346, 60574), (692, 30287), (977, 21452), (1954, 10726), (3908, 5363)]