20649696

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{12653}}^1$

素因数の和:12683

約数の個数: 48

約数和(自身を含む): 57398544

約数和(自身を除く): 36748848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632, 12653, 25306, 37959, 50612, 75918, 101224, 151836, 202448, 215101, 303672, 404896, 430202, 607344, 645303, 860404, 1214688, 1290606, 1720808, 2581212, 3441616, 5162424, 6883232, 10324848, 20649696]

約数ペア:

[(1, 20649696), (2, 10324848), (3, 6883232), (4, 5162424), (6, 3441616), (8, 2581212), (12, 1720808), (16, 1290606), (17, 1214688), (24, 860404), (32, 645303), (34, 607344), (48, 430202), (51, 404896), (68, 303672), (96, 215101), (102, 202448), (136, 151836), (204, 101224), (272, 75918), (408, 50612), (544, 37959), (816, 25306), (1632, 12653)]