20765552168

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{599}}^1\times {\mathrm{71039}}^1$

素因数の和:71705

約数の個数: 32

約数和(自身を含む): 39640320000

約数和(自身を除く): 18874767832

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 599, 1198, 2396, 4792, 36539, 71039, 73078, 142078, 146156, 284156, 292312, 568312, 4333379, 8666758, 17333516, 34667032, 42552361, 85104722, 170209444, 340418888, 2595694021, 5191388042, 10382776084, 20765552168]

約数ペア:

[(1, 20765552168), (2, 10382776084), (4, 5191388042), (8, 2595694021), (61, 340418888), (122, 170209444), (244, 85104722), (488, 42552361), (599, 34667032), (1198, 17333516), (2396, 8666758), (4792, 4333379), (36539, 568312), (71039, 292312), (73078, 284156), (142078, 146156)]