20771416

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{937}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 41534640

約数和(自身を除く): 20763224

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 163, 326, 652, 937, 1304, 1874, 2771, 3748, 5542, 7496, 11084, 15929, 22168, 31858, 63716, 127432, 152731, 305462, 610924, 1221848, 2596427, 5192854, 10385708, 20771416]

約数ペア:

[(1, 20771416), (2, 10385708), (4, 5192854), (8, 2596427), (17, 1221848), (34, 610924), (68, 305462), (136, 152731), (163, 127432), (326, 63716), (652, 31858), (937, 22168), (1304, 15929), (1874, 11084), (2771, 7496), (3748, 5542)]