20810650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1607}}^1$

素因数の和:1663

約数の個数: 48

約数和(自身を含む): 45461376

約数和(自身を除く): 24650726

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 37, 50, 70, 74, 175, 185, 259, 350, 370, 518, 925, 1295, 1607, 1850, 2590, 3214, 6475, 8035, 11249, 12950, 16070, 22498, 40175, 56245, 59459, 80350, 112490, 118918, 281225, 297295, 416213, 562450, 594590, 832426, 1486475, 2081065, 2972950, 4162130, 10405325, 20810650]

約数ペア:

[(1, 20810650), (2, 10405325), (5, 4162130), (7, 2972950), (10, 2081065), (14, 1486475), (25, 832426), (35, 594590), (37, 562450), (50, 416213), (70, 297295), (74, 281225), (175, 118918), (185, 112490), (259, 80350), (350, 59459), (370, 56245), (518, 40175), (925, 22498), (1295, 16070), (1607, 12950), (1850, 11249), (2590, 8035), (3214, 6475)]