20549280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1430

約数の個数: 96

約数和(自身を含む): 66866688

約数和(自身を除く): 46317408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 930, 992, 1240, 1381, 1488, 1860, 2480, 2762, 2976, 3720, 4143, 4960, 5524, 6905, 7440, 8286, 11048, 13810, 14880, 16572, 20715, 22096, 27620, 33144, 41430, 42811, 44192, 55240, 66288, 82860, 85622, 110480, 128433, 132576, 165720, 171244, 214055, 220960, 256866, 331440, 342488, 428110, 513732, 642165, 662880, 684976, 856220, 1027464, 1284330, 1369952, 1712440, 2054928, 2568660, 3424880, 4109856, 5137320, 6849760, 10274640, 20549280]

約数ペア:

[(1, 20549280), (2, 10274640), (3, 6849760), (4, 5137320), (5, 4109856), (6, 3424880), (8, 2568660), (10, 2054928), (12, 1712440), (15, 1369952), (16, 1284330), (20, 1027464), (24, 856220), (30, 684976), (31, 662880), (32, 642165), (40, 513732), (48, 428110), (60, 342488), (62, 331440), (80, 256866), (93, 220960), (96, 214055), (120, 171244), (124, 165720), (155, 132576), (160, 128433), (186, 110480), (240, 85622), (248, 82860), (310, 66288), (372, 55240), (465, 44192), (480, 42811), (496, 41430), (620, 33144), (744, 27620), (930, 22096), (992, 20715), (1240, 16572), (1381, 14880), (1488, 13810), (1860, 11048), (2480, 8286), (2762, 7440), (2976, 6905), (3720, 5524), (4143, 4960)]