20501861185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5170709}}^1$

素因数の和:5170788

約数の個数: 16

約数和(自身を含む): 26929057680

約数和(自身を除く): 6427196495

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 5170709, 25853545, 67219217, 315413249, 336096085, 1577066245, 4100372237, 20501861185]

約数ペア:

[(1, 20501861185), (5, 4100372237), (13, 1577066245), (61, 336096085), (65, 315413249), (305, 67219217), (793, 25853545), (3965, 5170709)]