20384212

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:591

約数の個数: 24

約数和(自身を含む): 36408960

約数和(自身を除く): 16024748

約数列:

[1, 2, 4, 79, 158, 251, 257, 316, 502, 514, 1004, 1028, 19829, 20303, 39658, 40606, 64507, 79316, 81212, 129014, 258028, 5096053, 10192106, 20384212]

約数ペア:

[(1, 20384212), (2, 10192106), (4, 5096053), (79, 258028), (158, 129014), (251, 81212), (257, 79316), (316, 64507), (502, 40606), (514, 39658), (1004, 20303), (1028, 19829)]