20199082175

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{571}}^1\times {\mathrm{827}}^1$

素因数の和:1496

約数の個数: 48

約数和(自身を含む): 26427772800

約数和(自身を除く): 6228690625

約数列:

[1, 5, 25, 29, 59, 145, 295, 571, 725, 827, 1475, 1711, 2855, 4135, 8555, 14275, 16559, 20675, 23983, 33689, 42775, 48793, 82795, 119915, 168445, 243965, 413975, 472217, 599575, 842225, 976981, 1219825, 1414997, 2361085, 4884905, 7074985, 11805425, 13694293, 24424525, 27860803, 35374925, 68471465, 139304015, 342357325, 696520075, 807963287, 4039816435, 20199082175]

約数ペア:

[(1, 20199082175), (5, 4039816435), (25, 807963287), (29, 696520075), (59, 342357325), (145, 139304015), (295, 68471465), (571, 35374925), (725, 27860803), (827, 24424525), (1475, 13694293), (1711, 11805425), (2855, 7074985), (4135, 4884905), (8555, 2361085), (14275, 1414997), (16559, 1219825), (20675, 976981), (23983, 842225), (33689, 599575), (42775, 472217), (48793, 413975), (82795, 243965), (119915, 168445)]