20181060844

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1\times {\mathrm{54881}}^1$

素因数の和:55486

約数の個数: 48

約数和(自身を含む): 42191525376

約数和(自身を除く): 22010464532

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 571, 644, 1142, 2284, 3997, 7994, 13133, 15988, 26266, 52532, 54881, 91931, 109762, 183862, 219524, 367724, 384167, 768334, 1262263, 1536668, 2524526, 5049052, 8835841, 17671682, 31337051, 35343364, 62674102, 125348204, 219359357, 438718714, 720752173, 877437428, 1441504346, 2883008692, 5045265211, 10090530422, 20181060844]

約数ペア:

[(1, 20181060844), (2, 10090530422), (4, 5045265211), (7, 2883008692), (14, 1441504346), (23, 877437428), (28, 720752173), (46, 438718714), (92, 219359357), (161, 125348204), (322, 62674102), (571, 35343364), (644, 31337051), (1142, 17671682), (2284, 8835841), (3997, 5049052), (7994, 2524526), (13133, 1536668), (15988, 1262263), (26266, 768334), (52532, 384167), (54881, 367724), (91931, 219524), (109762, 183862)]