20776760

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17911}}^1$

素因数の和:17951

約数の個数: 32

約数和(自身を含む): 48362400

約数和(自身を除く): 27585640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 17911, 35822, 71644, 89555, 143288, 179110, 358220, 519419, 716440, 1038838, 2077676, 2597095, 4155352, 5194190, 10388380, 20776760]

約数ペア:

[(1, 20776760), (2, 10388380), (4, 5194190), (5, 4155352), (8, 2597095), (10, 2077676), (20, 1038838), (29, 716440), (40, 519419), (58, 358220), (116, 179110), (145, 143288), (232, 89555), (290, 71644), (580, 35822), (1160, 17911)]