20713952

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 50964480

約数和(自身を除く): 30250528

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 56, 62, 76, 112, 124, 133, 152, 157, 217, 224, 248, 266, 304, 314, 434, 496, 532, 589, 608, 628, 868, 992, 1064, 1099, 1178, 1256, 1736, 2128, 2198, 2356, 2512, 2983, 3472, 4123, 4256, 4396, 4712, 4867, 5024, 5966, 6944, 8246, 8792, 9424, 9734, 11932, 16492, 17584, 18848, 19468, 20881, 23864, 32984, 34069, 35168, 38936, 41762, 47728, 65968, 68138, 77872, 83524, 92473, 95456, 131936, 136276, 155744, 167048, 184946, 272552, 334096, 369892, 545104, 647311, 668192, 739784, 1090208, 1294622, 1479568, 2589244, 2959136, 5178488, 10356976, 20713952]

約数ペア:

[(1, 20713952), (2, 10356976), (4, 5178488), (7, 2959136), (8, 2589244), (14, 1479568), (16, 1294622), (19, 1090208), (28, 739784), (31, 668192), (32, 647311), (38, 545104), (56, 369892), (62, 334096), (76, 272552), (112, 184946), (124, 167048), (133, 155744), (152, 136276), (157, 131936), (217, 95456), (224, 92473), (248, 83524), (266, 77872), (304, 68138), (314, 65968), (434, 47728), (496, 41762), (532, 38936), (589, 35168), (608, 34069), (628, 32984), (868, 23864), (992, 20881), (1064, 19468), (1099, 18848), (1178, 17584), (1256, 16492), (1736, 11932), (2128, 9734), (2198, 9424), (2356, 8792), (2512, 8246), (2983, 6944), (3472, 5966), (4123, 5024), (4256, 4867), (4396, 4712)]