20541145

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:632

約数の個数: 16

約数和(自身を含む): 25272000

約数和(自身を除く): 4730855

約数列:

[1, 5, 59, 179, 295, 389, 895, 1945, 10561, 22951, 52805, 69631, 114755, 348155, 4108229, 20541145]

約数ペア:

[(1, 20541145), (5, 4108229), (59, 348155), (179, 114755), (295, 69631), (389, 52805), (895, 22951), (1945, 10561)]