20883548

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{601}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 44904384

約数和(自身を除く): 24020836

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 73, 119, 146, 238, 292, 476, 511, 601, 1022, 1202, 1241, 2044, 2404, 2482, 4207, 4964, 8414, 8687, 10217, 16828, 17374, 20434, 34748, 40868, 43873, 71519, 87746, 143038, 175492, 286076, 307111, 614222, 745841, 1228444, 1491682, 2983364, 5220887, 10441774, 20883548]

約数ペア:

[(1, 20883548), (2, 10441774), (4, 5220887), (7, 2983364), (14, 1491682), (17, 1228444), (28, 745841), (34, 614222), (68, 307111), (73, 286076), (119, 175492), (146, 143038), (238, 87746), (292, 71519), (476, 43873), (511, 40868), (601, 34748), (1022, 20434), (1202, 17374), (1241, 16828), (2044, 10217), (2404, 8687), (2482, 8414), (4207, 4964)]