20741224

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21787}}^1$

素因数の和:21817

約数の個数: 32

約数和(自身を含む): 47062080

約数和(自身を除く): 26320856

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 21787, 43574, 87148, 152509, 174296, 305018, 370379, 610036, 740758, 1220072, 1481516, 2592653, 2963032, 5185306, 10370612, 20741224]

約数ペア:

[(1, 20741224), (2, 10370612), (4, 5185306), (7, 2963032), (8, 2592653), (14, 1481516), (17, 1220072), (28, 740758), (34, 610036), (56, 370379), (68, 305018), (119, 174296), (136, 152509), (238, 87148), (476, 43574), (952, 21787)]