20511232

素因数分解:

$2^9\times 7^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:181

約数の個数: 80

約数和(自身を含む): 48121920

約数和(自身を除く): 27610688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 59, 64, 97, 112, 118, 128, 194, 224, 236, 256, 388, 413, 448, 472, 512, 679, 776, 826, 896, 944, 1358, 1552, 1652, 1792, 1888, 2716, 3104, 3304, 3584, 3776, 5432, 5723, 6208, 6608, 7552, 10864, 11446, 12416, 13216, 15104, 21728, 22892, 24832, 26432, 30208, 40061, 43456, 45784, 49664, 52864, 80122, 86912, 91568, 105728, 160244, 173824, 183136, 211456, 320488, 347648, 366272, 640976, 732544, 1281952, 1465088, 2563904, 2930176, 5127808, 10255616, 20511232]

約数ペア:

[(1, 20511232), (2, 10255616), (4, 5127808), (7, 2930176), (8, 2563904), (14, 1465088), (16, 1281952), (28, 732544), (32, 640976), (56, 366272), (59, 347648), (64, 320488), (97, 211456), (112, 183136), (118, 173824), (128, 160244), (194, 105728), (224, 91568), (236, 86912), (256, 80122), (388, 52864), (413, 49664), (448, 45784), (472, 43456), (512, 40061), (679, 30208), (776, 26432), (826, 24832), (896, 22892), (944, 21728), (1358, 15104), (1552, 13216), (1652, 12416), (1792, 11446), (1888, 10864), (2716, 7552), (3104, 6608), (3304, 6208), (3584, 5723), (3776, 5432)]