20619786

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{4663}}^1$

素因数の和:4746

約数の個数: 32

約数和(自身を含む): 45669888

約数和(自身を除く): 25050102

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 67, 134, 201, 402, 737, 1474, 2211, 4422, 4663, 9326, 13989, 27978, 51293, 102586, 153879, 307758, 312421, 624842, 937263, 1874526, 3436631, 6873262, 10309893, 20619786]

約数ペア:

[(1, 20619786), (2, 10309893), (3, 6873262), (6, 3436631), (11, 1874526), (22, 937263), (33, 624842), (66, 312421), (67, 307758), (134, 153879), (201, 102586), (402, 51293), (737, 27978), (1474, 13989), (2211, 9326), (4422, 4663)]