20820046

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{19531}}^1$

素因数の和:19587

約数の個数: 16

約数和(自身を含む): 34454448

約数和(自身を除く): 13634402

約数列:

[1, 2, 13, 26, 41, 82, 533, 1066, 19531, 39062, 253903, 507806, 800771, 1601542, 10410023, 20820046]

約数ペア:

[(1, 20820046), (2, 10410023), (13, 1601542), (26, 800771), (41, 507806), (82, 253903), (533, 39062), (1066, 19531)]