20457052

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3907}}^1$

素因数の和:3946

約数の個数: 48

約数和(自身を含む): 47271168

約数和(自身を除く): 26814116

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 374, 476, 748, 1309, 2618, 3907, 5236, 7814, 15628, 27349, 42977, 54698, 66419, 85954, 109396, 132838, 171908, 265676, 300839, 464933, 601678, 730609, 929866, 1203356, 1461218, 1859732, 2922436, 5114263, 10228526, 20457052]

約数ペア:

[(1, 20457052), (2, 10228526), (4, 5114263), (7, 2922436), (11, 1859732), (14, 1461218), (17, 1203356), (22, 929866), (28, 730609), (34, 601678), (44, 464933), (68, 300839), (77, 265676), (119, 171908), (154, 132838), (187, 109396), (238, 85954), (308, 66419), (374, 54698), (476, 42977), (748, 27349), (1309, 15628), (2618, 7814), (3907, 5236)]