20345156625

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{2081}}^1$

素因数の和:2188

約数の個数: 96

約数和(自身を含む): 36210410496

約数和(自身を除く): 15865253871

約数列:

[1, 3, 5, 15, 25, 29, 31, 75, 87, 93, 125, 145, 155, 375, 435, 465, 725, 775, 841, 899, 2081, 2175, 2325, 2523, 2697, 3625, 3875, 4205, 4495, 6243, 10405, 10875, 11625, 12615, 13485, 21025, 22475, 26071, 31215, 52025, 60349, 63075, 64511, 67425, 78213, 105125, 112375, 130355, 156075, 181047, 193533, 260125, 301745, 315375, 322555, 337125, 391065, 651775, 780375, 905235, 967665, 1508725, 1612775, 1750121, 1870819, 1955325, 3258875, 4526175, 4838325, 5250363, 5612457, 7543625, 8063875, 8750605, 9354095, 9776625, 22630875, 24191625, 26251815, 28062285, 43753025, 46770475, 54253751, 131259075, 140311425, 162761253, 218765125, 233852375, 271268755, 656295375, 701557125, 813806265, 1356343775, 4069031325, 6781718875, 20345156625]

約数ペア:

[(1, 20345156625), (3, 6781718875), (5, 4069031325), (15, 1356343775), (25, 813806265), (29, 701557125), (31, 656295375), (75, 271268755), (87, 233852375), (93, 218765125), (125, 162761253), (145, 140311425), (155, 131259075), (375, 54253751), (435, 46770475), (465, 43753025), (725, 28062285), (775, 26251815), (841, 24191625), (899, 22630875), (2081, 9776625), (2175, 9354095), (2325, 8750605), (2523, 8063875), (2697, 7543625), (3625, 5612457), (3875, 5250363), (4205, 4838325), (4495, 4526175), (6243, 3258875), (10405, 1955325), (10875, 1870819), (11625, 1750121), (12615, 1612775), (13485, 1508725), (21025, 967665), (22475, 905235), (26071, 780375), (31215, 651775), (52025, 391065), (60349, 337125), (63075, 322555), (64511, 315375), (67425, 301745), (78213, 260125), (105125, 193533), (112375, 181047), (130355, 156075)]