20404758

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{9973}}^1$

素因数の和:10020

約数の個数: 32

約数和(自身を含む): 45960192

約数和(自身を除く): 25555434

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 93, 186, 341, 682, 1023, 2046, 9973, 19946, 29919, 59838, 109703, 219406, 309163, 329109, 618326, 658218, 927489, 1854978, 3400793, 6801586, 10202379, 20404758]

約数ペア:

[(1, 20404758), (2, 10202379), (3, 6801586), (6, 3400793), (11, 1854978), (22, 927489), (31, 658218), (33, 618326), (62, 329109), (66, 309163), (93, 219406), (186, 109703), (341, 59838), (682, 29919), (1023, 19946), (2046, 9973)]