20417554

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1657}}^1$

素因数の和:1821

約数の個数: 16

約数和(自身を含む): 31455576

約数和(自身を除く): 11038022

約数列:

[1, 2, 61, 101, 122, 202, 1657, 3314, 6161, 12322, 101077, 167357, 202154, 334714, 10208777, 20417554]

約数ペア:

[(1, 20417554), (2, 10208777), (61, 334714), (101, 202154), (122, 167357), (202, 101077), (1657, 12322), (3314, 6161)]