20413844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{4783}}^1$

素因数の和:4895

約数の個数: 24

約数和(自身を含む): 39381888

約数和(自身を除く): 18968044

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1067, 2134, 4268, 4783, 9566, 19132, 52613, 105226, 210452, 463951, 927902, 1855804, 5103461, 10206922, 20413844]

約数ペア:

[(1, 20413844), (2, 10206922), (4, 5103461), (11, 1855804), (22, 927902), (44, 463951), (97, 210452), (194, 105226), (388, 52613), (1067, 19132), (2134, 9566), (4268, 4783)]