20180725068

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{431}}^1\times {\mathrm{79631}}^1$

素因数の和:80083

約数の個数: 72

約数和(自身を含む): 54904034304

約数和(自身を除く): 34723309236

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 431, 588, 862, 1293, 1724, 2586, 3017, 5172, 6034, 9051, 12068, 18102, 21119, 36204, 42238, 63357, 79631, 84476, 126714, 159262, 238893, 253428, 318524, 477786, 557417, 955572, 1114834, 1672251, 2229668, 3344502, 3901919, 6689004, 7803838, 11705757, 15607676, 23411514, 34320961, 46823028, 68641922, 102962883, 137283844, 205925766, 240246727, 411851532, 480493454, 720740181, 960986908, 1441480362, 1681727089, 2882960724, 3363454178, 5045181267, 6726908356, 10090362534, 20180725068]

約数ペア:

[(1, 20180725068), (2, 10090362534), (3, 6726908356), (4, 5045181267), (6, 3363454178), (7, 2882960724), (12, 1681727089), (14, 1441480362), (21, 960986908), (28, 720740181), (42, 480493454), (49, 411851532), (84, 240246727), (98, 205925766), (147, 137283844), (196, 102962883), (294, 68641922), (431, 46823028), (588, 34320961), (862, 23411514), (1293, 15607676), (1724, 11705757), (2586, 7803838), (3017, 6689004), (5172, 3901919), (6034, 3344502), (9051, 2229668), (12068, 1672251), (18102, 1114834), (21119, 955572), (36204, 557417), (42238, 477786), (63357, 318524), (79631, 253428), (84476, 238893), (126714, 159262)]