20315746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 34546176

約数和(自身を除く): 14230430

約数列:

[1, 2, 11, 22, 41, 82, 101, 202, 223, 446, 451, 902, 1111, 2222, 2453, 4141, 4906, 8282, 9143, 18286, 22523, 45046, 45551, 91102, 100573, 201146, 247753, 495506, 923443, 1846886, 10157873, 20315746]

約数ペア:

[(1, 20315746), (2, 10157873), (11, 1846886), (22, 923443), (41, 495506), (82, 247753), (101, 201146), (202, 100573), (223, 91102), (446, 45551), (451, 45046), (902, 22523), (1111, 18286), (2222, 9143), (2453, 8282), (4141, 4906)]