20198736

素因数分解:

$2^4\times 3^2\times {\mathrm{140269}}^1$

素因数の和:140283

約数の個数: 30

約数和(自身を含む): 56528810

約数和(自身を除く): 36330074

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 140269, 280538, 420807, 561076, 841614, 1122152, 1262421, 1683228, 2244304, 2524842, 3366456, 5049684, 6732912, 10099368, 20198736]

約数ペア:

[(1, 20198736), (2, 10099368), (3, 6732912), (4, 5049684), (6, 3366456), (8, 2524842), (9, 2244304), (12, 1683228), (16, 1262421), (18, 1122152), (24, 841614), (36, 561076), (48, 420807), (72, 280538), (144, 140269)]