16816580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{6949}}^1$

素因数の和:6980

約数の個数: 36

約数和(自身を含む): 38822700

約数和(自身を除く): 22006120

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 6949, 13898, 27796, 34745, 69490, 76439, 138980, 152878, 305756, 382195, 764390, 840829, 1528780, 1681658, 3363316, 4204145, 8408290, 16816580]

約数ペア:

[(1, 16816580), (2, 8408290), (4, 4204145), (5, 3363316), (10, 1681658), (11, 1528780), (20, 840829), (22, 764390), (44, 382195), (55, 305756), (110, 152878), (121, 138980), (220, 76439), (242, 69490), (484, 34745), (605, 27796), (1210, 13898), (2420, 6949)]