20155765

素因数分解:

$5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{3533}}^1$

素因数の和:3708

約数の個数: 16

約数和(自身を含む): 27819648

約数和(自身を除く): 7663883

約数列:

[1, 5, 7, 35, 163, 815, 1141, 3533, 5705, 17665, 24731, 123655, 575879, 2879395, 4031153, 20155765]

約数ペア:

[(1, 20155765), (5, 4031153), (7, 2879395), (35, 575879), (163, 123655), (815, 24731), (1141, 17665), (3533, 5705)]