20224847540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{488287}}^1$

素因数の和:488424

約数の個数: 48

約数和(自身を含む): 45117811200

約数和(自身を除く): 24892963660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 1090, 2071, 2180, 4142, 8284, 10355, 20710, 41420, 488287, 976574, 1953148, 2441435, 4882870, 9277453, 9765740, 18554906, 37109812, 46387265, 53223283, 92774530, 106446566, 185549060, 212893132, 266116415, 532232830, 1011242377, 1064465660, 2022484754, 4044969508, 5056211885, 10112423770, 20224847540]

約数ペア:

[(1, 20224847540), (2, 10112423770), (4, 5056211885), (5, 4044969508), (10, 2022484754), (19, 1064465660), (20, 1011242377), (38, 532232830), (76, 266116415), (95, 212893132), (109, 185549060), (190, 106446566), (218, 92774530), (380, 53223283), (436, 46387265), (545, 37109812), (1090, 18554906), (2071, 9765740), (2180, 9277453), (4142, 4882870), (8284, 2441435), (10355, 1953148), (20710, 976574), (41420, 488287)]