20690538

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{4679}}^1$

素因数の和:4762

約数の個数: 32

約数和(自身を含む): 45826560

約数和(自身を除く): 25136022

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 67, 134, 201, 402, 737, 1474, 2211, 4422, 4679, 9358, 14037, 28074, 51469, 102938, 154407, 308814, 313493, 626986, 940479, 1880958, 3448423, 6896846, 10345269, 20690538]

約数ペア:

[(1, 20690538), (2, 10345269), (3, 6896846), (6, 3448423), (11, 1880958), (22, 940479), (33, 626986), (66, 313493), (67, 308814), (134, 154407), (201, 102938), (402, 51469), (737, 28074), (1474, 14037), (2211, 9358), (4422, 4679)]