20158884625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{1723}}^1$

素因数の和:1943

約数の個数: 64

約数和(自身を含む): 28090662912

約数和(自身を除く): 7931778287

約数列:

[1, 5, 11, 25, 55, 67, 125, 127, 275, 335, 635, 737, 1375, 1397, 1675, 1723, 3175, 3685, 6985, 8375, 8509, 8615, 15875, 18425, 18953, 34925, 42545, 43075, 92125, 93599, 94765, 115441, 174625, 212725, 215375, 218821, 467995, 473825, 577205, 1063625, 1094105, 1269851, 2339975, 2369125, 2407031, 2886025, 5470525, 6349255, 11699875, 12035155, 14430125, 14661007, 27352625, 31746275, 60175775, 73305035, 158731375, 161271077, 300878875, 366525175, 806355385, 1832625875, 4031776925, 20158884625]

約数ペア:

[(1, 20158884625), (5, 4031776925), (11, 1832625875), (25, 806355385), (55, 366525175), (67, 300878875), (125, 161271077), (127, 158731375), (275, 73305035), (335, 60175775), (635, 31746275), (737, 27352625), (1375, 14661007), (1397, 14430125), (1675, 12035155), (1723, 11699875), (3175, 6349255), (3685, 5470525), (6985, 2886025), (8375, 2407031), (8509, 2369125), (8615, 2339975), (15875, 1269851), (18425, 1094105), (18953, 1063625), (34925, 577205), (42545, 473825), (43075, 467995), (92125, 218821), (93599, 215375), (94765, 212725), (115441, 174625)]