20539426712

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{52121}}^1$

素因数の和:52392

約数の個数: 64

約数和(自身を含む): 45633853440

約数和(自身を除く): 25094426728

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 227, 248, 434, 454, 868, 908, 1589, 1736, 1816, 3178, 6356, 7037, 12712, 14074, 28148, 49259, 52121, 56296, 98518, 104242, 197036, 208484, 364847, 394072, 416968, 729694, 1459388, 1615751, 2918776, 3231502, 6463004, 11310257, 11831467, 12926008, 22620514, 23662934, 45241028, 47325868, 82820269, 90482056, 94651736, 165640538, 331281076, 366775477, 662562152, 733550954, 1467101908, 2567428339, 2934203816, 5134856678, 10269713356, 20539426712]

約数ペア:

[(1, 20539426712), (2, 10269713356), (4, 5134856678), (7, 2934203816), (8, 2567428339), (14, 1467101908), (28, 733550954), (31, 662562152), (56, 366775477), (62, 331281076), (124, 165640538), (217, 94651736), (227, 90482056), (248, 82820269), (434, 47325868), (454, 45241028), (868, 23662934), (908, 22620514), (1589, 12926008), (1736, 11831467), (1816, 11310257), (3178, 6463004), (6356, 3231502), (7037, 2918776), (12712, 1615751), (14074, 1459388), (28148, 729694), (49259, 416968), (52121, 394072), (56296, 364847), (98518, 208484), (104242, 197036)]