20539992

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^3\times {\mathrm{643}}^1$

素因数の和:685

約数の個数: 64

約数和(自身を含む): 56568960

約数和(自身を除く): 36028968

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 121, 132, 242, 264, 363, 484, 643, 726, 968, 1286, 1331, 1452, 1929, 2572, 2662, 2904, 3858, 3993, 5144, 5324, 7073, 7716, 7986, 10648, 14146, 15432, 15972, 21219, 28292, 31944, 42438, 56584, 77803, 84876, 155606, 169752, 233409, 311212, 466818, 622424, 855833, 933636, 1711666, 1867272, 2567499, 3423332, 5134998, 6846664, 10269996, 20539992]

約数ペア:

[(1, 20539992), (2, 10269996), (3, 6846664), (4, 5134998), (6, 3423332), (8, 2567499), (11, 1867272), (12, 1711666), (22, 933636), (24, 855833), (33, 622424), (44, 466818), (66, 311212), (88, 233409), (121, 169752), (132, 155606), (242, 84876), (264, 77803), (363, 56584), (484, 42438), (643, 31944), (726, 28292), (968, 21219), (1286, 15972), (1331, 15432), (1452, 14146), (1929, 10648), (2572, 7986), (2662, 7716), (2904, 7073), (3858, 5324), (3993, 5144)]