20911132

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{3469}}^1$

素因数の和:3621

約数の個数: 24

約数和(自身を含む): 40224240

約数和(自身を除く): 19313108

約数列:

[1, 2, 4, 11, 22, 44, 137, 274, 548, 1507, 3014, 3469, 6028, 6938, 13876, 38159, 76318, 152636, 475253, 950506, 1901012, 5227783, 10455566, 20911132]

約数ペア:

[(1, 20911132), (2, 10455566), (4, 5227783), (11, 1901012), (22, 950506), (44, 475253), (137, 152636), (274, 76318), (548, 38159), (1507, 13876), (3014, 6938), (3469, 6028)]