20172654558

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{751}}^1\times {\mathrm{23687}}^1$

素因数の和:24459

約数の個数: 80

約数和(自身を含む): 51730043904

約数和(自身を除く): 31557389346

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 751, 1134, 1502, 2253, 4506, 5257, 6759, 10514, 13518, 15771, 20277, 23687, 31542, 40554, 47313, 47374, 60831, 71061, 94626, 121662, 141939, 142122, 165809, 213183, 283878, 331618, 425817, 426366, 497427, 639549, 851634, 994854, 1279098, 1492281, 1918647, 2984562, 3837294, 4476843, 8953686, 13430529, 17788937, 26861058, 35577874, 53366811, 106733622, 124522559, 160100433, 249045118, 320200866, 373567677, 480301299, 747135354, 960602598, 1120703031, 1440903897, 2241406062, 2881807794, 3362109093, 6724218186, 10086327279, 20172654558]

約数ペア:

[(1, 20172654558), (2, 10086327279), (3, 6724218186), (6, 3362109093), (7, 2881807794), (9, 2241406062), (14, 1440903897), (18, 1120703031), (21, 960602598), (27, 747135354), (42, 480301299), (54, 373567677), (63, 320200866), (81, 249045118), (126, 160100433), (162, 124522559), (189, 106733622), (378, 53366811), (567, 35577874), (751, 26861058), (1134, 17788937), (1502, 13430529), (2253, 8953686), (4506, 4476843), (5257, 3837294), (6759, 2984562), (10514, 1918647), (13518, 1492281), (15771, 1279098), (20277, 994854), (23687, 851634), (31542, 639549), (40554, 497427), (47313, 426366), (47374, 425817), (60831, 331618), (71061, 283878), (94626, 213183), (121662, 165809), (141939, 142122)]