20105096

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4861}}^1$

素因数の和:4925

約数の個数: 32

約数和(自身を含む): 42007680

約数和(自身を除く): 21902584

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 188, 376, 517, 1034, 2068, 4136, 4861, 9722, 19444, 38888, 53471, 106942, 213884, 228467, 427768, 456934, 913868, 1827736, 2513137, 5026274, 10052548, 20105096]

約数ペア:

[(1, 20105096), (2, 10052548), (4, 5026274), (8, 2513137), (11, 1827736), (22, 913868), (44, 456934), (47, 427768), (88, 228467), (94, 213884), (188, 106942), (376, 53471), (517, 38888), (1034, 19444), (2068, 9722), (4136, 4861)]