20331088

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1019}}^1$

素因数の和:1099

約数の個数: 40

約数和(自身を含む): 41738400

約数和(自身を除く): 21407312

約数列:

[1, 2, 4, 8, 16, 29, 43, 58, 86, 116, 172, 232, 344, 464, 688, 1019, 1247, 2038, 2494, 4076, 4988, 8152, 9976, 16304, 19952, 29551, 43817, 59102, 87634, 118204, 175268, 236408, 350536, 472816, 701072, 1270693, 2541386, 5082772, 10165544, 20331088]

約数ペア:

[(1, 20331088), (2, 10165544), (4, 5082772), (8, 2541386), (16, 1270693), (29, 701072), (43, 472816), (58, 350536), (86, 236408), (116, 175268), (172, 118204), (232, 87634), (344, 59102), (464, 43817), (688, 29551), (1019, 19952), (1247, 16304), (2038, 9976), (2494, 8152), (4076, 4988)]