20210798625

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:476

約数の個数: 128

約数和(自身を含む): 35954979840

約数和(自身を除く): 15744181215

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 89, 113, 115, 125, 233, 267, 339, 345, 375, 445, 565, 575, 699, 1165, 1335, 1695, 1725, 2047, 2225, 2599, 2825, 2875, 3495, 5359, 5825, 6141, 6675, 7797, 8475, 8625, 10057, 10235, 11125, 12995, 14125, 16077, 17475, 20737, 26329, 26795, 29125, 30171, 30705, 33375, 38985, 42375, 50285, 51175, 62211, 64975, 78987, 80385, 87375, 103685, 131645, 133975, 150855, 153525, 194925, 231311, 251425, 255875, 311055, 324875, 394935, 401925, 476951, 518425, 605567, 658225, 669875, 693933, 754275, 767625, 974625, 1156555, 1257125, 1430853, 1555275, 1816701, 1974675, 2009625, 2343281, 2384755, 2592125, 3027835, 3291125, 3469665, 3771375, 5782775, 7029843, 7154265, 7776375, 9083505, 9873375, 11716405, 11923775, 15139175, 17348325, 28913875, 35149215, 35771325, 45417525, 53895463, 58582025, 59618875, 75695875, 86741625, 161686389, 175746075, 178856625, 227087625, 269477315, 292910125, 808431945, 878730375, 1347386575, 4042159725, 6736932875, 20210798625]

約数ペア:

[(1, 20210798625), (3, 6736932875), (5, 4042159725), (15, 1347386575), (23, 878730375), (25, 808431945), (69, 292910125), (75, 269477315), (89, 227087625), (113, 178856625), (115, 175746075), (125, 161686389), (233, 86741625), (267, 75695875), (339, 59618875), (345, 58582025), (375, 53895463), (445, 45417525), (565, 35771325), (575, 35149215), (699, 28913875), (1165, 17348325), (1335, 15139175), (1695, 11923775), (1725, 11716405), (2047, 9873375), (2225, 9083505), (2599, 7776375), (2825, 7154265), (2875, 7029843), (3495, 5782775), (5359, 3771375), (5825, 3469665), (6141, 3291125), (6675, 3027835), (7797, 2592125), (8475, 2384755), (8625, 2343281), (10057, 2009625), (10235, 1974675), (11125, 1816701), (12995, 1555275), (14125, 1430853), (16077, 1257125), (17475, 1156555), (20737, 974625), (26329, 767625), (26795, 754275), (29125, 693933), (30171, 669875), (30705, 658225), (33375, 605567), (38985, 518425), (42375, 476951), (50285, 401925), (51175, 394935), (62211, 324875), (64975, 311055), (78987, 255875), (80385, 251425), (87375, 231311), (103685, 194925), (131645, 153525), (133975, 150855)]