20586566

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1$

素因数の和:166

約数の個数: 72

約数和(自身を含む): 42808824

約数和(自身を除く): 22222258

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 113, 143, 154, 169, 182, 226, 286, 338, 539, 637, 791, 1001, 1078, 1183, 1243, 1274, 1469, 1582, 1859, 2002, 2366, 2486, 2938, 3718, 5537, 7007, 8281, 8701, 10283, 11074, 13013, 14014, 16159, 16562, 17402, 19097, 20566, 26026, 32318, 38194, 60907, 71981, 91091, 113113, 121814, 133679, 143962, 182182, 210067, 226226, 267358, 420134, 791791, 935753, 1470469, 1583582, 1871506, 2940938, 10293283, 20586566]

約数ペア:

[(1, 20586566), (2, 10293283), (7, 2940938), (11, 1871506), (13, 1583582), (14, 1470469), (22, 935753), (26, 791791), (49, 420134), (77, 267358), (91, 226226), (98, 210067), (113, 182182), (143, 143962), (154, 133679), (169, 121814), (182, 113113), (226, 91091), (286, 71981), (338, 60907), (539, 38194), (637, 32318), (791, 26026), (1001, 20566), (1078, 19097), (1183, 17402), (1243, 16562), (1274, 16159), (1469, 14014), (1582, 13013), (1859, 11074), (2002, 10283), (2366, 8701), (2486, 8281), (2938, 7007), (3718, 5537)]