20302876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 40303872

約数和(自身を除く): 20000996

約数列:

[1, 2, 4, 11, 22, 44, 67, 71, 97, 134, 142, 194, 268, 284, 388, 737, 781, 1067, 1474, 1562, 2134, 2948, 3124, 4268, 4757, 6499, 6887, 9514, 12998, 13774, 19028, 25996, 27548, 52327, 71489, 75757, 104654, 142978, 151514, 209308, 285956, 303028, 461429, 922858, 1845716, 5075719, 10151438, 20302876]

約数ペア:

[(1, 20302876), (2, 10151438), (4, 5075719), (11, 1845716), (22, 922858), (44, 461429), (67, 303028), (71, 285956), (97, 209308), (134, 151514), (142, 142978), (194, 104654), (268, 75757), (284, 71489), (388, 52327), (737, 27548), (781, 25996), (1067, 19028), (1474, 13774), (1562, 12998), (2134, 9514), (2948, 6887), (3124, 6499), (4268, 4757)]