20402790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{11527}}^1$

素因数の和:11596

約数の個数: 32

約数和(自身を含む): 49800960

約数和(自身を除く): 29398170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 118, 177, 295, 354, 590, 885, 1770, 11527, 23054, 34581, 57635, 69162, 115270, 172905, 345810, 680093, 1360186, 2040279, 3400465, 4080558, 6800930, 10201395, 20402790]

約数ペア:

[(1, 20402790), (2, 10201395), (3, 6800930), (5, 4080558), (6, 3400465), (10, 2040279), (15, 1360186), (30, 680093), (59, 345810), (118, 172905), (177, 115270), (295, 69162), (354, 57635), (590, 34581), (885, 23054), (1770, 11527)]