20211072

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:200

約数の個数: 128

約数和(自身を含む): 62799360

約数和(自身を除く): 42588288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 73, 84, 96, 103, 112, 128, 146, 168, 192, 206, 219, 224, 292, 309, 336, 384, 412, 438, 448, 511, 584, 618, 672, 721, 824, 876, 896, 1022, 1168, 1236, 1344, 1442, 1533, 1648, 1752, 2044, 2163, 2336, 2472, 2688, 2884, 3066, 3296, 3504, 4088, 4326, 4672, 4944, 5768, 6132, 6592, 7008, 7519, 8176, 8652, 9344, 9888, 11536, 12264, 13184, 14016, 15038, 16352, 17304, 19776, 22557, 23072, 24528, 28032, 30076, 32704, 34608, 39552, 45114, 46144, 49056, 52633, 60152, 65408, 69216, 90228, 92288, 98112, 105266, 120304, 138432, 157899, 180456, 196224, 210532, 240608, 276864, 315798, 360912, 421064, 481216, 631596, 721824, 842128, 962432, 1263192, 1443648, 1684256, 2526384, 2887296, 3368512, 5052768, 6737024, 10105536, 20211072]

約数ペア:

[(1, 20211072), (2, 10105536), (3, 6737024), (4, 5052768), (6, 3368512), (7, 2887296), (8, 2526384), (12, 1684256), (14, 1443648), (16, 1263192), (21, 962432), (24, 842128), (28, 721824), (32, 631596), (42, 481216), (48, 421064), (56, 360912), (64, 315798), (73, 276864), (84, 240608), (96, 210532), (103, 196224), (112, 180456), (128, 157899), (146, 138432), (168, 120304), (192, 105266), (206, 98112), (219, 92288), (224, 90228), (292, 69216), (309, 65408), (336, 60152), (384, 52633), (412, 49056), (438, 46144), (448, 45114), (511, 39552), (584, 34608), (618, 32704), (672, 30076), (721, 28032), (824, 24528), (876, 23072), (896, 22557), (1022, 19776), (1168, 17304), (1236, 16352), (1344, 15038), (1442, 14016), (1533, 13184), (1648, 12264), (1752, 11536), (2044, 9888), (2163, 9344), (2336, 8652), (2472, 8176), (2688, 7519), (2884, 7008), (3066, 6592), (3296, 6132), (3504, 5768), (4088, 4944), (4326, 4672)]