20543669270

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18847403}}^1$

素因数の和:18847519

約数の個数: 16

約数和(自身を含む): 37317859920

約数和(自身を除く): 16774190650

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18847403, 37694806, 94237015, 188474030, 2054366927, 4108733854, 10271834635, 20543669270]

約数ペア:

[(1, 20543669270), (2, 10271834635), (5, 4108733854), (10, 2054366927), (109, 188474030), (218, 94237015), (545, 37694806), (1090, 18847403)]