20478106

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 34909056

約数和(自身を除く): 14430950

約数列:

[1, 2, 11, 22, 41, 73, 82, 146, 311, 451, 622, 803, 902, 1606, 2993, 3421, 5986, 6842, 12751, 22703, 25502, 32923, 45406, 65846, 140261, 249733, 280522, 499466, 930823, 1861646, 10239053, 20478106]

約数ペア:

[(1, 20478106), (2, 10239053), (11, 1861646), (22, 930823), (41, 499466), (73, 280522), (82, 249733), (146, 140261), (311, 65846), (451, 45406), (622, 32923), (803, 25502), (902, 22703), (1606, 12751), (2993, 6842), (3421, 5986)]