20137806976

素因数分解:

$2^7\times 7^1\times {\mathrm{331}}^1\times {\mathrm{67901}}^1$

素因数の和:68253

約数の個数: 64

約数和(自身を含む): 45988666560

約数和(自身を除く): 25850859584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 331, 448, 662, 896, 1324, 2317, 2648, 4634, 5296, 9268, 10592, 18536, 21184, 37072, 42368, 67901, 74144, 135802, 148288, 271604, 296576, 475307, 543208, 950614, 1086416, 1901228, 2172832, 3802456, 4345664, 7604912, 8691328, 15209824, 22475231, 30419648, 44950462, 60839296, 89900924, 157326617, 179801848, 314653234, 359603696, 629306468, 719207392, 1258612936, 1438414784, 2517225872, 2876829568, 5034451744, 10068903488, 20137806976]

約数ペア:

[(1, 20137806976), (2, 10068903488), (4, 5034451744), (7, 2876829568), (8, 2517225872), (14, 1438414784), (16, 1258612936), (28, 719207392), (32, 629306468), (56, 359603696), (64, 314653234), (112, 179801848), (128, 157326617), (224, 89900924), (331, 60839296), (448, 44950462), (662, 30419648), (896, 22475231), (1324, 15209824), (2317, 8691328), (2648, 7604912), (4634, 4345664), (5296, 3802456), (9268, 2172832), (10592, 1901228), (18536, 1086416), (21184, 950614), (37072, 543208), (42368, 475307), (67901, 296576), (74144, 271604), (135802, 148288)]