20163272975

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{4721}}^1$

素因数の和:4940

約数の個数: 48

約数和(自身を含む): 26664945120

約数和(自身を除く): 6501672145

約数列:

[1, 5, 25, 29, 43, 137, 145, 215, 685, 725, 1075, 1247, 3425, 3973, 4721, 5891, 6235, 19865, 23605, 29455, 31175, 99325, 118025, 136909, 147275, 170839, 203003, 646777, 684545, 854195, 1015015, 3233885, 3422725, 4270975, 5075075, 5887087, 16169425, 18756533, 27811411, 29435435, 93782665, 139057055, 147177175, 468913325, 695285275, 806530919, 4032654595, 20163272975]

約数ペア:

[(1, 20163272975), (5, 4032654595), (25, 806530919), (29, 695285275), (43, 468913325), (137, 147177175), (145, 139057055), (215, 93782665), (685, 29435435), (725, 27811411), (1075, 18756533), (1247, 16169425), (3425, 5887087), (3973, 5075075), (4721, 4270975), (5891, 3422725), (6235, 3233885), (19865, 1015015), (23605, 854195), (29455, 684545), (31175, 646777), (99325, 203003), (118025, 170839), (136909, 147275)]