20095480

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9479}}^1$

素因数の和:9543

約数の個数: 32

約数和(自身を含む): 46072800

約数和(自身を除く): 25977320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 9479, 18958, 37916, 47395, 75832, 94790, 189580, 379160, 502387, 1004774, 2009548, 2511935, 4019096, 5023870, 10047740, 20095480]

約数ペア:

[(1, 20095480), (2, 10047740), (4, 5023870), (5, 4019096), (8, 2511935), (10, 2009548), (20, 1004774), (40, 502387), (53, 379160), (106, 189580), (212, 94790), (265, 75832), (424, 47395), (530, 37916), (1060, 18958), (2120, 9479)]