20262375

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 43610112

約数和(自身を除く): 23347737

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 31, 35, 45, 63, 75, 83, 93, 105, 125, 155, 175, 217, 225, 249, 279, 315, 375, 415, 465, 525, 581, 651, 747, 775, 875, 1085, 1125, 1245, 1395, 1575, 1743, 1953, 2075, 2325, 2573, 2625, 2905, 3255, 3735, 3875, 5229, 5425, 6225, 6975, 7719, 7875, 8715, 9765, 10375, 11625, 12865, 14525, 16275, 18011, 18675, 23157, 26145, 27125, 31125, 34875, 38595, 43575, 48825, 54033, 64325, 72625, 81375, 90055, 93375, 115785, 130725, 162099, 192975, 217875, 244125, 270165, 321625, 450275, 578925, 653625, 810495, 964875, 1350825, 2251375, 2894625, 4052475, 6754125, 20262375]

約数ペア:

[(1, 20262375), (3, 6754125), (5, 4052475), (7, 2894625), (9, 2251375), (15, 1350825), (21, 964875), (25, 810495), (31, 653625), (35, 578925), (45, 450275), (63, 321625), (75, 270165), (83, 244125), (93, 217875), (105, 192975), (125, 162099), (155, 130725), (175, 115785), (217, 93375), (225, 90055), (249, 81375), (279, 72625), (315, 64325), (375, 54033), (415, 48825), (465, 43575), (525, 38595), (581, 34875), (651, 31125), (747, 27125), (775, 26145), (875, 23157), (1085, 18675), (1125, 18011), (1245, 16275), (1395, 14525), (1575, 12865), (1743, 11625), (1953, 10375), (2075, 9765), (2325, 8715), (2573, 7875), (2625, 7719), (2905, 6975), (3255, 6225), (3735, 5425), (3875, 5229)]