20145862473

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{1451}}^1\times {\mathrm{420731}}^1$

素因数の和:422196

約数の個数: 16

約数和(自身を含む): 29323337472

約数和(自身を除く): 9177474999

約数列:

[1, 3, 11, 33, 1451, 4353, 15961, 47883, 420731, 1262193, 4628041, 13884123, 610480681, 1831442043, 6715287491, 20145862473]

約数ペア:

[(1, 20145862473), (3, 6715287491), (11, 1831442043), (33, 610480681), (1451, 13884123), (4353, 4628041), (15961, 1262193), (47883, 420731)]