20289345

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43633}}^1$

素因数の和:43672

約数の個数: 16

約数和(自身を含む): 33510912

約数和(自身を除く): 13221567

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 43633, 130899, 218165, 654495, 1352623, 4057869, 6763115, 20289345]

約数ペア:

[(1, 20289345), (3, 6763115), (5, 4057869), (15, 1352623), (31, 654495), (93, 218165), (155, 130899), (465, 43633)]