20529271616

素因数分解:

$2^6\times 7^1\times {\mathrm{127}}^1\times {\mathrm{360821}}^1$

素因数の和:360967

約数の個数: 56

約数和(自身を含む): 46924179456

約数和(自身を除く): 26394907840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 127, 224, 254, 448, 508, 889, 1016, 1778, 2032, 3556, 4064, 7112, 8128, 14224, 28448, 56896, 360821, 721642, 1443284, 2525747, 2886568, 5051494, 5773136, 10102988, 11546272, 20205976, 23092544, 40411952, 45824267, 80823904, 91648534, 161647808, 183297068, 320769869, 366594136, 641539738, 733188272, 1283079476, 1466376544, 2566158952, 2932753088, 5132317904, 10264635808, 20529271616]

約数ペア:

[(1, 20529271616), (2, 10264635808), (4, 5132317904), (7, 2932753088), (8, 2566158952), (14, 1466376544), (16, 1283079476), (28, 733188272), (32, 641539738), (56, 366594136), (64, 320769869), (112, 183297068), (127, 161647808), (224, 91648534), (254, 80823904), (448, 45824267), (508, 40411952), (889, 23092544), (1016, 20205976), (1778, 11546272), (2032, 10102988), (3556, 5773136), (4064, 5051494), (7112, 2886568), (8128, 2525747), (14224, 1443284), (28448, 721642), (56896, 360821)]