20721822

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{5147}}^1$

素因数の和:5224

約数の個数: 32

約数和(自身を含む): 45961344

約数和(自身を除く): 25239522

約数列:

[1, 2, 3, 6, 11, 22, 33, 61, 66, 122, 183, 366, 671, 1342, 2013, 4026, 5147, 10294, 15441, 30882, 56617, 113234, 169851, 313967, 339702, 627934, 941901, 1883802, 3453637, 6907274, 10360911, 20721822]

約数ペア:

[(1, 20721822), (2, 10360911), (3, 6907274), (6, 3453637), (11, 1883802), (22, 941901), (33, 627934), (61, 339702), (66, 313967), (122, 169851), (183, 113234), (366, 56617), (671, 30882), (1342, 15441), (2013, 10294), (4026, 5147)]