20397076

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{587}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 43860096

約数和(自身を除く): 23463020

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 73, 119, 146, 238, 292, 476, 511, 587, 1022, 1174, 1241, 2044, 2348, 2482, 4109, 4964, 8218, 8687, 9979, 16436, 17374, 19958, 34748, 39916, 42851, 69853, 85702, 139706, 171404, 279412, 299957, 599914, 728467, 1199828, 1456934, 2913868, 5099269, 10198538, 20397076]

約数ペア:

[(1, 20397076), (2, 10198538), (4, 5099269), (7, 2913868), (14, 1456934), (17, 1199828), (28, 728467), (34, 599914), (68, 299957), (73, 279412), (119, 171404), (146, 139706), (238, 85702), (292, 69853), (476, 42851), (511, 39916), (587, 34748), (1022, 19958), (1174, 17374), (1241, 16436), (2044, 9979), (2348, 8687), (2482, 8218), (4109, 4964)]