20214728

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2203}}^1$

素因数の和:2277

約数の個数: 32

約数和(自身を含む): 40200960

約数和(自身を除く): 19986232

約数列:

[1, 2, 4, 8, 31, 37, 62, 74, 124, 148, 248, 296, 1147, 2203, 2294, 4406, 4588, 8812, 9176, 17624, 68293, 81511, 136586, 163022, 273172, 326044, 546344, 652088, 2526841, 5053682, 10107364, 20214728]

約数ペア:

[(1, 20214728), (2, 10107364), (4, 5053682), (8, 2526841), (31, 652088), (37, 546344), (62, 326044), (74, 273172), (124, 163022), (148, 136586), (248, 81511), (296, 68293), (1147, 17624), (2203, 9176), (2294, 8812), (4406, 4588)]