20154204296

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{367}}^1\times {\mathrm{1901}}^1$

素因数の和:2454

約数の個数: 64

約数和(自身を含む): 39812359680

約数和(自身を除く): 19658155384

約数列:

[1, 2, 4, 8, 23, 46, 92, 157, 184, 314, 367, 628, 734, 1256, 1468, 1901, 2936, 3611, 3802, 7222, 7604, 8441, 14444, 15208, 16882, 28888, 33764, 43723, 57619, 67528, 87446, 115238, 174892, 230476, 298457, 349784, 460952, 596914, 697667, 1193828, 1325237, 1395334, 2387656, 2650474, 2790668, 5300948, 5581336, 6864511, 10601896, 13729022, 16046341, 27458044, 32092682, 54916088, 64185364, 109533719, 128370728, 219067438, 438134876, 876269752, 2519275537, 5038551074, 10077102148, 20154204296]

約数ペア:

[(1, 20154204296), (2, 10077102148), (4, 5038551074), (8, 2519275537), (23, 876269752), (46, 438134876), (92, 219067438), (157, 128370728), (184, 109533719), (314, 64185364), (367, 54916088), (628, 32092682), (734, 27458044), (1256, 16046341), (1468, 13729022), (1901, 10601896), (2936, 6864511), (3611, 5581336), (3802, 5300948), (7222, 2790668), (7604, 2650474), (8441, 2387656), (14444, 1395334), (15208, 1325237), (16882, 1193828), (28888, 697667), (33764, 596914), (43723, 460952), (57619, 349784), (67528, 298457), (87446, 230476), (115238, 174892)]