20305705224

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{373}}^1\times {\mathrm{1291}}^1$

素因数の和:1931

約数の個数: 128

約数和(自身を含む): 58448839680

約数和(自身を除く): 38143134456

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 251, 373, 502, 746, 753, 1004, 1119, 1291, 1492, 1506, 1757, 2008, 2238, 2582, 2611, 2984, 3012, 3514, 3873, 4476, 5164, 5222, 5271, 6024, 7028, 7746, 7833, 8952, 9037, 10328, 10444, 10542, 14056, 15492, 15666, 18074, 20888, 21084, 27111, 30984, 31332, 36148, 42168, 54222, 62664, 72296, 93623, 108444, 187246, 216888, 280869, 324041, 374492, 481543, 561738, 648082, 655361, 748984, 963086, 972123, 1123476, 1296164, 1310722, 1444629, 1926172, 1944246, 1966083, 2246952, 2268287, 2592328, 2621444, 2889258, 3370801, 3852344, 3888492, 3932166, 4536574, 5242888, 5778516, 6741602, 6804861, 7776984, 7864332, 9073148, 10112403, 11557032, 13483204, 13609722, 15728664, 18146296, 20224806, 26966408, 27219444, 40449612, 54438888, 80899224, 120867293, 241734586, 362601879, 483469172, 725203758, 846071051, 966938344, 1450407516, 1692142102, 2538213153, 2900815032, 3384284204, 5076426306, 6768568408, 10152852612, 20305705224]

約数ペア:

[(1, 20305705224), (2, 10152852612), (3, 6768568408), (4, 5076426306), (6, 3384284204), (7, 2900815032), (8, 2538213153), (12, 1692142102), (14, 1450407516), (21, 966938344), (24, 846071051), (28, 725203758), (42, 483469172), (56, 362601879), (84, 241734586), (168, 120867293), (251, 80899224), (373, 54438888), (502, 40449612), (746, 27219444), (753, 26966408), (1004, 20224806), (1119, 18146296), (1291, 15728664), (1492, 13609722), (1506, 13483204), (1757, 11557032), (2008, 10112403), (2238, 9073148), (2582, 7864332), (2611, 7776984), (2984, 6804861), (3012, 6741602), (3514, 5778516), (3873, 5242888), (4476, 4536574), (5164, 3932166), (5222, 3888492), (5271, 3852344), (6024, 3370801), (7028, 2889258), (7746, 2621444), (7833, 2592328), (8952, 2268287), (9037, 2246952), (10328, 1966083), (10444, 1944246), (10542, 1926172), (14056, 1444629), (15492, 1310722), (15666, 1296164), (18074, 1123476), (20888, 972123), (21084, 963086), (27111, 748984), (30984, 655361), (31332, 648082), (36148, 561738), (42168, 481543), (54222, 374492), (62664, 324041), (72296, 280869), (93623, 216888), (108444, 187246)]