20787026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1451}}^1$

素因数の和:1514

約数の個数: 32

約数和(自身を含む): 36590400

約数和(自身を除く): 15803374

約数列:

[1, 2, 13, 19, 26, 29, 38, 58, 247, 377, 494, 551, 754, 1102, 1451, 2902, 7163, 14326, 18863, 27569, 37726, 42079, 55138, 84158, 358397, 547027, 716794, 799501, 1094054, 1599002, 10393513, 20787026]

約数ペア:

[(1, 20787026), (2, 10393513), (13, 1599002), (19, 1094054), (26, 799501), (29, 716794), (38, 547027), (58, 358397), (247, 84158), (377, 55138), (494, 42079), (551, 37726), (754, 27569), (1102, 18863), (1451, 14326), (2902, 7163)]