20944550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:473

約数の個数: 48

約数和(自身を含む): 43001712

約数和(自身を除く): 22057162

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 113, 226, 275, 337, 550, 565, 674, 1130, 1243, 1685, 2486, 2825, 3370, 3707, 5650, 6215, 7414, 8425, 12430, 16850, 18535, 31075, 37070, 38081, 62150, 76162, 92675, 185350, 190405, 380810, 418891, 837782, 952025, 1904050, 2094455, 4188910, 10472275, 20944550]

約数ペア:

[(1, 20944550), (2, 10472275), (5, 4188910), (10, 2094455), (11, 1904050), (22, 952025), (25, 837782), (50, 418891), (55, 380810), (110, 190405), (113, 185350), (226, 92675), (275, 76162), (337, 62150), (550, 38081), (565, 37070), (674, 31075), (1130, 18535), (1243, 16850), (1685, 12430), (2486, 8425), (2825, 7414), (3370, 6215), (3707, 5650)]