20510362278

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{5701}}^1\times {\mathrm{4079}}^1$

素因数の和:9802

約数の個数: 72

約数和(自身を含む): 51716227680

約数和(自身を除く): 31205865402

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 4079, 5701, 8158, 11402, 12237, 17103, 24474, 28553, 34206, 36711, 39907, 51309, 57106, 73422, 79814, 85659, 102618, 119721, 171318, 199871, 239442, 256977, 279349, 359163, 399742, 513954, 558698, 599613, 718326, 838047, 1199226, 1676094, 1798839, 2514141, 3597678, 5028282, 23254379, 46508758, 69763137, 139526274, 162780653, 209289411, 325561306, 418578822, 488341959, 976683918, 1139464571, 1465025877, 2278929142, 2930051754, 3418393713, 6836787426, 10255181139, 20510362278]

約数ペア:

[(1, 20510362278), (2, 10255181139), (3, 6836787426), (6, 3418393713), (7, 2930051754), (9, 2278929142), (14, 1465025877), (18, 1139464571), (21, 976683918), (42, 488341959), (49, 418578822), (63, 325561306), (98, 209289411), (126, 162780653), (147, 139526274), (294, 69763137), (441, 46508758), (882, 23254379), (4079, 5028282), (5701, 3597678), (8158, 2514141), (11402, 1798839), (12237, 1676094), (17103, 1199226), (24474, 838047), (28553, 718326), (34206, 599613), (36711, 558698), (39907, 513954), (51309, 399742), (57106, 359163), (73422, 279349), (79814, 256977), (85659, 239442), (102618, 199871), (119721, 171318)]