20378713048

素因数分解:

$2^3\times {\mathrm{619}}^1\times {\mathrm{4115249}}^1$

素因数の和:4115874

約数の個数: 16

約数和(自身を含む): 38271825000

約数和(自身を除く): 17893111952

約数列:

[1, 2, 4, 8, 619, 1238, 2476, 4952, 4115249, 8230498, 16460996, 32921992, 2547339131, 5094678262, 10189356524, 20378713048]

約数ペア:

[(1, 20378713048), (2, 10189356524), (4, 5094678262), (8, 2547339131), (619, 32921992), (1238, 16460996), (2476, 8230498), (4952, 4115249)]