20811588

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2273}}^1$

素因数の和:2396

約数の個数: 48

約数和(自身を含む): 56031360

約数和(自身を除く): 35219772

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 109, 218, 327, 436, 654, 763, 1308, 1526, 2273, 2289, 3052, 4546, 4578, 6819, 9092, 9156, 13638, 15911, 27276, 31822, 47733, 63644, 95466, 190932, 247757, 495514, 743271, 991028, 1486542, 1734299, 2973084, 3468598, 5202897, 6937196, 10405794, 20811588]

約数ペア:

[(1, 20811588), (2, 10405794), (3, 6937196), (4, 5202897), (6, 3468598), (7, 2973084), (12, 1734299), (14, 1486542), (21, 991028), (28, 743271), (42, 495514), (84, 247757), (109, 190932), (218, 95466), (327, 63644), (436, 47733), (654, 31822), (763, 27276), (1308, 15911), (1526, 13638), (2273, 9156), (2289, 9092), (3052, 6819), (4546, 4578)]