20922104

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21977}}^1$

素因数の和:22007

約数の個数: 32

約数和(自身を含む): 47472480

約数和(自身を除く): 26550376

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 21977, 43954, 87908, 153839, 175816, 307678, 373609, 615356, 747218, 1230712, 1494436, 2615263, 2988872, 5230526, 10461052, 20922104]

約数ペア:

[(1, 20922104), (2, 10461052), (4, 5230526), (7, 2988872), (8, 2615263), (14, 1494436), (17, 1230712), (28, 747218), (34, 615356), (56, 373609), (68, 307678), (119, 175816), (136, 153839), (238, 87908), (476, 43954), (952, 21977)]