20193501

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{6491}}^1$

素因数の和:6572

約数の個数: 16

約数和(自身を含む): 28980288

約数和(自身を除く): 8786787

約数列:

[1, 3, 17, 51, 61, 183, 1037, 3111, 6491, 19473, 110347, 331041, 395951, 1187853, 6731167, 20193501]

約数ペア:

[(1, 20193501), (3, 6731167), (17, 1187853), (51, 395951), (61, 331041), (183, 110347), (1037, 19473), (3111, 6491)]