207619540

素因数分解:

$2^2\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{7517}}^1$

素因数の和:8907

約数の個数: 24

約数和(自身を含む): 436374792

約数和(自身を除く): 228755252

約数列:

[1, 2, 4, 5, 10, 20, 1381, 2762, 5524, 6905, 7517, 13810, 15034, 27620, 30068, 37585, 75170, 150340, 10380977, 20761954, 41523908, 51904885, 103809770, 207619540]

約数ペア:

[(1, 207619540), (2, 103809770), (4, 51904885), (5, 41523908), (10, 20761954), (20, 10380977), (1381, 150340), (2762, 75170), (5524, 37585), (6905, 30068), (7517, 27620), (13810, 15034)]