20587884

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2347}}^1$

素因数の和:2414

約数の個数: 48

約数和(自身を含む): 52069248

約数和(自身を除く): 31481364

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 43, 51, 68, 86, 102, 129, 172, 204, 258, 516, 731, 1462, 2193, 2347, 2924, 4386, 4694, 7041, 8772, 9388, 14082, 28164, 39899, 79798, 100921, 119697, 159596, 201842, 239394, 302763, 403684, 478788, 605526, 1211052, 1715657, 3431314, 5146971, 6862628, 10293942, 20587884]

約数ペア:

[(1, 20587884), (2, 10293942), (3, 6862628), (4, 5146971), (6, 3431314), (12, 1715657), (17, 1211052), (34, 605526), (43, 478788), (51, 403684), (68, 302763), (86, 239394), (102, 201842), (129, 159596), (172, 119697), (204, 100921), (258, 79798), (516, 39899), (731, 28164), (1462, 14082), (2193, 9388), (2347, 8772), (2924, 7041), (4386, 4694)]