20005486

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{2389}}^1$

素因数の和:2523

約数の個数: 16

約数和(自身を含む): 30974400

約数和(自身を除く): 10968914

約数列:

[1, 2, 53, 79, 106, 158, 2389, 4187, 4778, 8374, 126617, 188731, 253234, 377462, 10002743, 20005486]

約数ペア:

[(1, 20005486), (2, 10002743), (53, 377462), (79, 253234), (106, 188731), (158, 126617), (2389, 8374), (4187, 4778)]