20501650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31541}}^1$

素因数の和:31566

約数の個数: 24

約数和(自身を含む): 41067684

約数和(自身を除く): 20566034

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 31541, 63082, 157705, 315410, 410033, 788525, 820066, 1577050, 2050165, 4100330, 10250825, 20501650]

約数ペア:

[(1, 20501650), (2, 10250825), (5, 4100330), (10, 2050165), (13, 1577050), (25, 820066), (26, 788525), (50, 410033), (65, 315410), (130, 157705), (325, 63082), (650, 31541)]