20755982784

素因数分解:

$2^6\times 3^1\times {\mathrm{157}}^1\times {\mathrm{688561}}^1$

素因数の和:688733

約数の個数: 56

約数和(自身を含む): 55266740368

約数和(自身を除く): 34510757584

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 157, 192, 314, 471, 628, 942, 1256, 1884, 2512, 3768, 5024, 7536, 10048, 15072, 30144, 688561, 1377122, 2065683, 2754244, 4131366, 5508488, 8262732, 11016976, 16525464, 22033952, 33050928, 44067904, 66101856, 108104077, 132203712, 216208154, 324312231, 432416308, 648624462, 864832616, 1297248924, 1729665232, 2594497848, 3459330464, 5188995696, 6918660928, 10377991392, 20755982784]

約数ペア:

[(1, 20755982784), (2, 10377991392), (3, 6918660928), (4, 5188995696), (6, 3459330464), (8, 2594497848), (12, 1729665232), (16, 1297248924), (24, 864832616), (32, 648624462), (48, 432416308), (64, 324312231), (96, 216208154), (157, 132203712), (192, 108104077), (314, 66101856), (471, 44067904), (628, 33050928), (942, 22033952), (1256, 16525464), (1884, 11016976), (2512, 8262732), (3768, 5508488), (5024, 4131366), (7536, 2754244), (10048, 2065683), (15072, 1377122), (30144, 688561)]