20304320

素因数分解:

$2^6\times 5^1\times {\mathrm{107}}^1\times {\mathrm{593}}^1$

素因数の和:717

約数の個数: 56

約数和(自身を含む): 48883824

約数和(自身を除く): 28579504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 160, 214, 320, 428, 535, 593, 856, 1070, 1186, 1712, 2140, 2372, 2965, 3424, 4280, 4744, 5930, 6848, 8560, 9488, 11860, 17120, 18976, 23720, 34240, 37952, 47440, 63451, 94880, 126902, 189760, 253804, 317255, 507608, 634510, 1015216, 1269020, 2030432, 2538040, 4060864, 5076080, 10152160, 20304320]

約数ペア:

[(1, 20304320), (2, 10152160), (4, 5076080), (5, 4060864), (8, 2538040), (10, 2030432), (16, 1269020), (20, 1015216), (32, 634510), (40, 507608), (64, 317255), (80, 253804), (107, 189760), (160, 126902), (214, 94880), (320, 63451), (428, 47440), (535, 37952), (593, 34240), (856, 23720), (1070, 18976), (1186, 17120), (1712, 11860), (2140, 9488), (2372, 8560), (2965, 6848), (3424, 5930), (4280, 4744)]