20180199376

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{242971}}^1$

素因数の和:243187

約数の個数: 40

約数和(自身を含む): 40673512800

約数和(自身を除く): 20493313424

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 179, 232, 358, 464, 716, 1432, 2864, 5191, 10382, 20764, 41528, 83056, 242971, 485942, 971884, 1943768, 3887536, 7046159, 14092318, 28184636, 43491809, 56369272, 86983618, 112738544, 173967236, 347934472, 695868944, 1261262461, 2522524922, 5045049844, 10090099688, 20180199376]

約数ペア:

[(1, 20180199376), (2, 10090099688), (4, 5045049844), (8, 2522524922), (16, 1261262461), (29, 695868944), (58, 347934472), (116, 173967236), (179, 112738544), (232, 86983618), (358, 56369272), (464, 43491809), (716, 28184636), (1432, 14092318), (2864, 7046159), (5191, 3887536), (10382, 1943768), (20764, 971884), (41528, 485942), (83056, 242971)]