20104924

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 41884416

約数和(自身を除く): 21779492

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 83, 164, 166, 211, 287, 332, 422, 574, 581, 844, 1148, 1162, 1477, 2324, 2954, 3403, 5908, 6806, 8651, 13612, 17302, 17513, 23821, 34604, 35026, 47642, 60557, 70052, 95284, 121114, 122591, 242228, 245182, 490364, 718033, 1436066, 2872132, 5026231, 10052462, 20104924]

約数ペア:

[(1, 20104924), (2, 10052462), (4, 5026231), (7, 2872132), (14, 1436066), (28, 718033), (41, 490364), (82, 245182), (83, 242228), (164, 122591), (166, 121114), (211, 95284), (287, 70052), (332, 60557), (422, 47642), (574, 35026), (581, 34604), (844, 23821), (1148, 17513), (1162, 17302), (1477, 13612), (2324, 8651), (2954, 6806), (3403, 5908)]