20499681254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{2473}}^1\times {\mathrm{318823}}^1$

素因数の和:321311

約数の個数: 16

約数和(自身を含む): 33128364192

約数和(自身を除く): 12628682938

約数列:

[1, 2, 13, 26, 2473, 4946, 32149, 64298, 318823, 637646, 4144699, 8289398, 788449279, 1576898558, 10249840627, 20499681254]

約数ペア:

[(1, 20499681254), (2, 10249840627), (13, 1576898558), (26, 788449279), (2473, 8289398), (4946, 4144699), (32149, 637646), (64298, 318823)]