19995950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30763}}^1$

素因数の和:30788

約数の個数: 24

約数和(自身を含む): 40054728

約数和(自身を除く): 20058778

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 30763, 61526, 153815, 307630, 399919, 769075, 799838, 1538150, 1999595, 3999190, 9997975, 19995950]

約数ペア:

[(1, 19995950), (2, 9997975), (5, 3999190), (10, 1999595), (13, 1538150), (25, 799838), (26, 769075), (50, 399919), (65, 307630), (130, 153815), (325, 61526), (650, 30763)]