20574466

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 35676288

約数和(自身を除く): 15101822

約数列:

[1, 2, 11, 22, 23, 46, 73, 146, 253, 506, 557, 803, 1114, 1606, 1679, 3358, 6127, 12254, 12811, 18469, 25622, 36938, 40661, 81322, 140921, 281842, 447271, 894542, 935203, 1870406, 10287233, 20574466]

約数ペア:

[(1, 20574466), (2, 10287233), (11, 1870406), (22, 935203), (23, 894542), (46, 447271), (73, 281842), (146, 140921), (253, 81322), (506, 40661), (557, 36938), (803, 25622), (1114, 18469), (1606, 12811), (1679, 12254), (3358, 6127)]