20212184

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{449}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 40338000

約数和(自身を除く): 20125816

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 331, 449, 662, 898, 1324, 1796, 2648, 3592, 5627, 7633, 11254, 15266, 22508, 30532, 45016, 61064, 148619, 297238, 594476, 1188952, 2526523, 5053046, 10106092, 20212184]

約数ペア:

[(1, 20212184), (2, 10106092), (4, 5053046), (8, 2526523), (17, 1188952), (34, 594476), (68, 297238), (136, 148619), (331, 61064), (449, 45016), (662, 30532), (898, 22508), (1324, 15266), (1796, 11254), (2648, 7633), (3592, 5627)]