20028992

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1$

素因数の和:519

約数の個数: 56

約数和(自身を含む): 43205400

約数和(自身を除く): 23176408

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 64, 68, 82, 136, 164, 272, 328, 449, 544, 656, 697, 898, 1088, 1312, 1394, 1796, 2624, 2788, 3592, 5576, 7184, 7633, 11152, 14368, 15266, 18409, 22304, 28736, 30532, 36818, 44608, 61064, 73636, 122128, 147272, 244256, 294544, 312953, 488512, 589088, 625906, 1178176, 1251812, 2503624, 5007248, 10014496, 20028992]

約数ペア:

[(1, 20028992), (2, 10014496), (4, 5007248), (8, 2503624), (16, 1251812), (17, 1178176), (32, 625906), (34, 589088), (41, 488512), (64, 312953), (68, 294544), (82, 244256), (136, 147272), (164, 122128), (272, 73636), (328, 61064), (449, 44608), (544, 36818), (656, 30532), (697, 28736), (898, 22304), (1088, 18409), (1312, 15266), (1394, 14368), (1796, 11152), (2624, 7633), (2788, 7184), (3592, 5576)]