20121662036

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{2609}}^1$

素因数の和:2774

約数の個数: 108

約数和(自身を含む): 43644654900

約数和(自身を除く): 23522992864

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 109, 133, 196, 218, 266, 361, 436, 532, 722, 763, 931, 1444, 1526, 1862, 2071, 2527, 2609, 3052, 3724, 4142, 5054, 5218, 5341, 8284, 10108, 10436, 10682, 14497, 17689, 18263, 21364, 28994, 35378, 36526, 39349, 49571, 57988, 70756, 73052, 78698, 99142, 101479, 127841, 157396, 198284, 202958, 255682, 275443, 284381, 346997, 405916, 511364, 550886, 568762, 693994, 941849, 1101772, 1137524, 1387988, 1883698, 1928101, 1990667, 2428979, 3767396, 3856202, 3981334, 4857958, 5403239, 6592943, 7712404, 7962668, 9715916, 10806478, 13185886, 13934669, 21612956, 26371772, 27869338, 37822673, 46150601, 55738676, 75645346, 92301202, 102661541, 151290692, 184602404, 205323082, 264758711, 410646164, 529517422, 718630787, 1059034844, 1437261574, 2874523148, 5030415509, 10060831018, 20121662036]

約数ペア:

[(1, 20121662036), (2, 10060831018), (4, 5030415509), (7, 2874523148), (14, 1437261574), (19, 1059034844), (28, 718630787), (38, 529517422), (49, 410646164), (76, 264758711), (98, 205323082), (109, 184602404), (133, 151290692), (196, 102661541), (218, 92301202), (266, 75645346), (361, 55738676), (436, 46150601), (532, 37822673), (722, 27869338), (763, 26371772), (931, 21612956), (1444, 13934669), (1526, 13185886), (1862, 10806478), (2071, 9715916), (2527, 7962668), (2609, 7712404), (3052, 6592943), (3724, 5403239), (4142, 4857958), (5054, 3981334), (5218, 3856202), (5341, 3767396), (8284, 2428979), (10108, 1990667), (10436, 1928101), (10682, 1883698), (14497, 1387988), (17689, 1137524), (18263, 1101772), (21364, 941849), (28994, 693994), (35378, 568762), (36526, 550886), (39349, 511364), (49571, 405916), (57988, 346997), (70756, 284381), (73052, 275443), (78698, 255682), (99142, 202958), (101479, 198284), (127841, 157396)]