20091390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{569}}^1$

素因数の和:697

約数の個数: 64

約数和(自身を含む): 53187840

約数和(自身を除く): 33096450

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 107, 110, 165, 214, 321, 330, 535, 569, 642, 1070, 1138, 1177, 1605, 1707, 2354, 2845, 3210, 3414, 3531, 5690, 5885, 6259, 7062, 8535, 11770, 12518, 17070, 17655, 18777, 31295, 35310, 37554, 60883, 62590, 93885, 121766, 182649, 187770, 304415, 365298, 608830, 669713, 913245, 1339426, 1826490, 2009139, 3348565, 4018278, 6697130, 10045695, 20091390]

約数ペア:

[(1, 20091390), (2, 10045695), (3, 6697130), (5, 4018278), (6, 3348565), (10, 2009139), (11, 1826490), (15, 1339426), (22, 913245), (30, 669713), (33, 608830), (55, 365298), (66, 304415), (107, 187770), (110, 182649), (165, 121766), (214, 93885), (321, 62590), (330, 60883), (535, 37554), (569, 35310), (642, 31295), (1070, 18777), (1138, 17655), (1177, 17070), (1605, 12518), (1707, 11770), (2354, 8535), (2845, 7062), (3210, 6259), (3414, 5885), (3531, 5690)]