20120221190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1223}}^1\times {\mathrm{86587}}^1$

素因数の和:87836

約数の個数: 32

約数和(自身を含む): 38154136320

約数和(自身を除く): 18033915130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1223, 2446, 6115, 12230, 23237, 46474, 86587, 116185, 173174, 232370, 432935, 865870, 1645153, 3290306, 8225765, 16451530, 105895901, 211791802, 529479505, 1058959010, 2012022119, 4024044238, 10060110595, 20120221190]

約数ペア:

[(1, 20120221190), (2, 10060110595), (5, 4024044238), (10, 2012022119), (19, 1058959010), (38, 529479505), (95, 211791802), (190, 105895901), (1223, 16451530), (2446, 8225765), (6115, 3290306), (12230, 1645153), (23237, 865870), (46474, 432935), (86587, 232370), (116185, 173174)]