20958626

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{19661}}^1$

素因数の和:19717

約数の個数: 16

約数和(自身を含む): 34683768

約数和(自身を除く): 13725142

約数列:

[1, 2, 13, 26, 41, 82, 533, 1066, 19661, 39322, 255593, 511186, 806101, 1612202, 10479313, 20958626]

約数ペア:

[(1, 20958626), (2, 10479313), (13, 1612202), (26, 806101), (41, 511186), (82, 255593), (533, 39322), (1066, 19661)]