20352220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3929}}^1$

素因数の和:3982

約数の個数: 48

約数和(自身を含む): 50178240

約数和(自身を除く): 29826020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 3929, 5180, 7858, 15716, 19645, 27503, 39290, 55006, 78580, 110012, 137515, 145373, 275030, 290746, 550060, 581492, 726865, 1017611, 1453730, 2035222, 2907460, 4070444, 5088055, 10176110, 20352220]

約数ペア:

[(1, 20352220), (2, 10176110), (4, 5088055), (5, 4070444), (7, 2907460), (10, 2035222), (14, 1453730), (20, 1017611), (28, 726865), (35, 581492), (37, 550060), (70, 290746), (74, 275030), (140, 145373), (148, 137515), (185, 110012), (259, 78580), (370, 55006), (518, 39290), (740, 27503), (1036, 19645), (1295, 15716), (2590, 7858), (3929, 5180)]