16622980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{6869}}^1$

素因数の和:6900

約数の個数: 36

約数和(自身を含む): 38375820

約数和(自身を除く): 21752840

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 6869, 13738, 27476, 34345, 68690, 75559, 137380, 151118, 302236, 377795, 755590, 831149, 1511180, 1662298, 3324596, 4155745, 8311490, 16622980]

約数ペア:

[(1, 16622980), (2, 8311490), (4, 4155745), (5, 3324596), (10, 1662298), (11, 1511180), (20, 831149), (22, 755590), (44, 377795), (55, 302236), (110, 151118), (121, 137380), (220, 75559), (242, 68690), (484, 34345), (605, 27476), (1210, 13738), (2420, 6869)]