20641096

素因数分解:

$2^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2441}}^1$

素因数の和:2605

約数の個数: 32

約数和(自身を含む): 44542080

約数和(自身を除く): 23900984

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 151, 302, 604, 1057, 1208, 2114, 2441, 4228, 4882, 8456, 9764, 17087, 19528, 34174, 68348, 136696, 368591, 737182, 1474364, 2580137, 2948728, 5160274, 10320548, 20641096]

約数ペア:

[(1, 20641096), (2, 10320548), (4, 5160274), (7, 2948728), (8, 2580137), (14, 1474364), (28, 737182), (56, 368591), (151, 136696), (302, 68348), (604, 34174), (1057, 19528), (1208, 17087), (2114, 9764), (2441, 8456), (4228, 4882)]