20219032520

素因数分解:

$2^3\times 5^1\times {\mathrm{4327}}^1\times {\mathrm{116819}}^1$

素因数の和:121157

約数の個数: 32

約数和(自身を含む): 45503726400

約数和(自身を除く): 25284693880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4327, 8654, 17308, 21635, 34616, 43270, 86540, 116819, 173080, 233638, 467276, 584095, 934552, 1168190, 2336380, 4672760, 505475813, 1010951626, 2021903252, 2527379065, 4043806504, 5054758130, 10109516260, 20219032520]

約数ペア:

[(1, 20219032520), (2, 10109516260), (4, 5054758130), (5, 4043806504), (8, 2527379065), (10, 2021903252), (20, 1010951626), (40, 505475813), (4327, 4672760), (8654, 2336380), (17308, 1168190), (21635, 934552), (34616, 584095), (43270, 467276), (86540, 233638), (116819, 173080)]