20117595904

素因数分解:

$2^8\times 7^1\times {\mathrm{1877}}^1\times {\mathrm{5981}}^1$

素因数の和:7881

約数の個数: 72

約数和(自身を含む): 45925393248

約数和(自身を除く): 25807797344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 1877, 3754, 5981, 7508, 11962, 13139, 15016, 23924, 26278, 30032, 41867, 47848, 52556, 60064, 83734, 95696, 105112, 120128, 167468, 191392, 210224, 240256, 334936, 382784, 420448, 480512, 669872, 765568, 840896, 1339744, 1531136, 1681792, 2679488, 3363584, 5358976, 10717952, 11226337, 22452674, 44905348, 78584359, 89810696, 157168718, 179621392, 314337436, 359242784, 628674872, 718485568, 1257349744, 1436971136, 2514699488, 2873942272, 5029398976, 10058797952, 20117595904]

約数ペア:

[(1, 20117595904), (2, 10058797952), (4, 5029398976), (7, 2873942272), (8, 2514699488), (14, 1436971136), (16, 1257349744), (28, 718485568), (32, 628674872), (56, 359242784), (64, 314337436), (112, 179621392), (128, 157168718), (224, 89810696), (256, 78584359), (448, 44905348), (896, 22452674), (1792, 11226337), (1877, 10717952), (3754, 5358976), (5981, 3363584), (7508, 2679488), (11962, 1681792), (13139, 1531136), (15016, 1339744), (23924, 840896), (26278, 765568), (30032, 669872), (41867, 480512), (47848, 420448), (52556, 382784), (60064, 334936), (83734, 240256), (95696, 210224), (105112, 191392), (120128, 167468)]