16886980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1301}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 39372480

約数和(自身を除く): 22485500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 1301, 2596, 2602, 3245, 5204, 6490, 6505, 12980, 13010, 14311, 26020, 28622, 57244, 71555, 76759, 143110, 153518, 286220, 307036, 383795, 767590, 844349, 1535180, 1688698, 3377396, 4221745, 8443490, 16886980]

約数ペア:

[(1, 16886980), (2, 8443490), (4, 4221745), (5, 3377396), (10, 1688698), (11, 1535180), (20, 844349), (22, 767590), (44, 383795), (55, 307036), (59, 286220), (110, 153518), (118, 143110), (220, 76759), (236, 71555), (295, 57244), (590, 28622), (649, 26020), (1180, 14311), (1298, 13010), (1301, 12980), (2596, 6505), (2602, 6490), (3245, 5204)]