20179387564

素因数分解:

$2^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{944551}}^1$

素因数の和:944678

約数の個数: 36

約数和(自身を含む): 41456387280

約数和(自身を除く): 21276999716

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 109, 196, 218, 436, 763, 1526, 3052, 5341, 10682, 21364, 944551, 1889102, 3778204, 6611857, 13223714, 26447428, 46282999, 92565998, 102956059, 185131996, 205912118, 411824236, 720692413, 1441384826, 2882769652, 5044846891, 10089693782, 20179387564]

約数ペア:

[(1, 20179387564), (2, 10089693782), (4, 5044846891), (7, 2882769652), (14, 1441384826), (28, 720692413), (49, 411824236), (98, 205912118), (109, 185131996), (196, 102956059), (218, 92565998), (436, 46282999), (763, 26447428), (1526, 13223714), (3052, 6611857), (5341, 3778204), (10682, 1889102), (21364, 944551)]