20783898

素因数分解:

$2^1\times 3^3\times {\mathrm{557}}^1\times {\mathrm{691}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 46336320

約数和(自身を除く): 25552422

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 557, 691, 1114, 1382, 1671, 2073, 3342, 4146, 5013, 6219, 10026, 12438, 15039, 18657, 30078, 37314, 384887, 769774, 1154661, 2309322, 3463983, 6927966, 10391949, 20783898]

約数ペア:

[(1, 20783898), (2, 10391949), (3, 6927966), (6, 3463983), (9, 2309322), (18, 1154661), (27, 769774), (54, 384887), (557, 37314), (691, 30078), (1114, 18657), (1382, 15039), (1671, 12438), (2073, 10026), (3342, 6219), (4146, 5013)]