20554274

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{4139}}^1$

素因数の和:4345

約数の個数: 16

約数和(自身を含む): 33384960

約数和(自身を除く): 12830686

約数列:

[1, 2, 13, 26, 191, 382, 2483, 4139, 4966, 8278, 53807, 107614, 790549, 1581098, 10277137, 20554274]

約数ペア:

[(1, 20554274), (2, 10277137), (13, 1581098), (26, 790549), (191, 107614), (382, 53807), (2483, 8278), (4139, 4966)]