20296045

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 32799168

約数和(自身を除く): 12503123

約数列:

[1, 5, 7, 11, 17, 35, 49, 55, 77, 85, 119, 187, 245, 385, 443, 539, 595, 833, 935, 1309, 2215, 2695, 3101, 4165, 4873, 6545, 7531, 9163, 15505, 21707, 24365, 34111, 37655, 45815, 52717, 82841, 108535, 170555, 238777, 263585, 369019, 414205, 579887, 1193885, 1845095, 2899435, 4059209, 20296045]

約数ペア:

[(1, 20296045), (5, 4059209), (7, 2899435), (11, 1845095), (17, 1193885), (35, 579887), (49, 414205), (55, 369019), (77, 263585), (85, 238777), (119, 170555), (187, 108535), (245, 82841), (385, 52717), (443, 45815), (539, 37655), (595, 34111), (833, 24365), (935, 21707), (1309, 15505), (2215, 9163), (2695, 7531), (3101, 6545), (4165, 4873)]