20171115212

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{6781}}^1$

素因数の和:7122

約数の個数: 48

約数和(自身を含む): 36801844800

約数和(自身を除く): 16630729588

約数列:

[1, 2, 4, 37, 74, 101, 148, 199, 202, 398, 404, 796, 3737, 6781, 7363, 7474, 13562, 14726, 14948, 20099, 27124, 29452, 40198, 80396, 250897, 501794, 684881, 743663, 1003588, 1349419, 1369762, 1487326, 2698838, 2739524, 2974652, 5397676, 25340597, 49928503, 50681194, 99857006, 101362388, 136291319, 199714012, 272582638, 545165276, 5042778803, 10085557606, 20171115212]

約数ペア:

[(1, 20171115212), (2, 10085557606), (4, 5042778803), (37, 545165276), (74, 272582638), (101, 199714012), (148, 136291319), (199, 101362388), (202, 99857006), (398, 50681194), (404, 49928503), (796, 25340597), (3737, 5397676), (6781, 2974652), (7363, 2739524), (7474, 2698838), (13562, 1487326), (14726, 1369762), (14948, 1349419), (20099, 1003588), (27124, 743663), (29452, 684881), (40198, 501794), (80396, 250897)]