20100123645

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{739111}}^1$

素因数の和:739170

約数の個数: 48

約数和(自身を含む): 38421998208

約数和(自身を除く): 18321874563

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 49, 105, 111, 147, 185, 245, 259, 555, 735, 777, 1295, 1813, 3885, 5439, 9065, 27195, 739111, 2217333, 3695555, 5173777, 11086665, 15521331, 25868885, 27347107, 36216439, 77606655, 82041321, 108649317, 136735535, 181082195, 191429749, 410206605, 543246585, 574289247, 957148745, 1340008243, 2871446235, 4020024729, 6700041215, 20100123645]

約数ペア:

[(1, 20100123645), (3, 6700041215), (5, 4020024729), (7, 2871446235), (15, 1340008243), (21, 957148745), (35, 574289247), (37, 543246585), (49, 410206605), (105, 191429749), (111, 181082195), (147, 136735535), (185, 108649317), (245, 82041321), (259, 77606655), (555, 36216439), (735, 27347107), (777, 25868885), (1295, 15521331), (1813, 11086665), (3885, 5173777), (5439, 3695555), (9065, 2217333), (27195, 739111)]