20619876

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 49896000

約数和(自身を除く): 29276124

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 89, 129, 172, 178, 258, 267, 356, 449, 516, 534, 898, 1068, 1347, 1796, 2694, 3827, 5388, 7654, 11481, 15308, 19307, 22962, 38614, 39961, 45924, 57921, 77228, 79922, 115842, 119883, 159844, 231684, 239766, 479532, 1718323, 3436646, 5154969, 6873292, 10309938, 20619876]

約数ペア:

[(1, 20619876), (2, 10309938), (3, 6873292), (4, 5154969), (6, 3436646), (12, 1718323), (43, 479532), (86, 239766), (89, 231684), (129, 159844), (172, 119883), (178, 115842), (258, 79922), (267, 77228), (356, 57921), (449, 45924), (516, 39961), (534, 38614), (898, 22962), (1068, 19307), (1347, 15308), (1796, 11481), (2694, 7654), (3827, 5388)]