20160956981

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{701}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 25102172160

約数和(自身を除く): 4941215179

約数列:

[1, 11, 19, 23, 31, 193, 209, 253, 341, 437, 589, 701, 713, 2123, 3667, 4439, 4807, 5983, 6479, 7711, 7843, 13319, 13547, 16123, 21731, 40337, 48829, 65813, 84341, 113677, 135293, 137609, 146509, 149017, 177353, 239041, 306337, 412889, 499813, 927751, 1250447, 1488223, 1513699, 2570567, 2614571, 3111739, 3369707, 4194083, 4541779, 5497943, 9496447, 28276237, 28760281, 34229129, 46134913, 59123041, 79687577, 96463909, 104460917, 650353451, 876563347, 1061102999, 1832814271, 20160956981]

約数ペア:

[(1, 20160956981), (11, 1832814271), (19, 1061102999), (23, 876563347), (31, 650353451), (193, 104460917), (209, 96463909), (253, 79687577), (341, 59123041), (437, 46134913), (589, 34229129), (701, 28760281), (713, 28276237), (2123, 9496447), (3667, 5497943), (4439, 4541779), (4807, 4194083), (5983, 3369707), (6479, 3111739), (7711, 2614571), (7843, 2570567), (13319, 1513699), (13547, 1488223), (16123, 1250447), (21731, 927751), (40337, 499813), (48829, 412889), (65813, 306337), (84341, 239041), (113677, 177353), (135293, 149017), (137609, 146509)]