20903350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{32159}}^1$

素因数の和:32184

約数の個数: 24

約数和(自身を含む): 41872320

約数和(自身を除く): 20968970

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 32159, 64318, 160795, 321590, 418067, 803975, 836134, 1607950, 2090335, 4180670, 10451675, 20903350]

約数ペア:

[(1, 20903350), (2, 10451675), (5, 4180670), (10, 2090335), (13, 1607950), (25, 836134), (26, 803975), (50, 418067), (65, 321590), (130, 160795), (325, 64318), (650, 32159)]