20939472

素因数分解:

$2^4\times 3^4\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:278

約数の個数: 100

約数和(自身を含む): 61576416

約数和(自身を除く): 40636944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 107, 108, 144, 151, 162, 214, 216, 302, 321, 324, 428, 432, 453, 604, 642, 648, 856, 906, 963, 1208, 1284, 1296, 1359, 1712, 1812, 1926, 2416, 2568, 2718, 2889, 3624, 3852, 4077, 5136, 5436, 5778, 7248, 7704, 8154, 8667, 10872, 11556, 12231, 15408, 16157, 16308, 17334, 21744, 23112, 24462, 32314, 32616, 34668, 46224, 48471, 48924, 64628, 65232, 69336, 96942, 97848, 129256, 138672, 145413, 193884, 195696, 258512, 290826, 387768, 436239, 581652, 775536, 872478, 1163304, 1308717, 1744956, 2326608, 2617434, 3489912, 5234868, 6979824, 10469736, 20939472]

約数ペア:

[(1, 20939472), (2, 10469736), (3, 6979824), (4, 5234868), (6, 3489912), (8, 2617434), (9, 2326608), (12, 1744956), (16, 1308717), (18, 1163304), (24, 872478), (27, 775536), (36, 581652), (48, 436239), (54, 387768), (72, 290826), (81, 258512), (107, 195696), (108, 193884), (144, 145413), (151, 138672), (162, 129256), (214, 97848), (216, 96942), (302, 69336), (321, 65232), (324, 64628), (428, 48924), (432, 48471), (453, 46224), (604, 34668), (642, 32616), (648, 32314), (856, 24462), (906, 23112), (963, 21744), (1208, 17334), (1284, 16308), (1296, 16157), (1359, 15408), (1712, 12231), (1812, 11556), (1926, 10872), (2416, 8667), (2568, 8154), (2718, 7704), (2889, 7248), (3624, 5778), (3852, 5436), (4077, 5136)]