20160983784

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{131113}}^1$

素因数の和:131314

約数の個数: 64

約数和(自身を含む): 51921144000

約数和(自身を除く): 31760160216

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 149, 172, 258, 298, 344, 447, 516, 596, 894, 1032, 1192, 1788, 3576, 6407, 12814, 19221, 25628, 38442, 51256, 76884, 131113, 153768, 262226, 393339, 524452, 786678, 1048904, 1573356, 3146712, 5637859, 11275718, 16913577, 19535837, 22551436, 33827154, 39071674, 45102872, 58607511, 67654308, 78143348, 117215022, 135308616, 156286696, 234430044, 468860088, 840040991, 1680081982, 2520122973, 3360163964, 5040245946, 6720327928, 10080491892, 20160983784]

約数ペア:

[(1, 20160983784), (2, 10080491892), (3, 6720327928), (4, 5040245946), (6, 3360163964), (8, 2520122973), (12, 1680081982), (24, 840040991), (43, 468860088), (86, 234430044), (129, 156286696), (149, 135308616), (172, 117215022), (258, 78143348), (298, 67654308), (344, 58607511), (447, 45102872), (516, 39071674), (596, 33827154), (894, 22551436), (1032, 19535837), (1192, 16913577), (1788, 11275718), (3576, 5637859), (6407, 3146712), (12814, 1573356), (19221, 1048904), (25628, 786678), (38442, 524452), (51256, 393339), (76884, 262226), (131113, 153768)]