20619135

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9749}}^1$

素因数の和:9807

約数の個数: 24

約数和(自身を含む): 36504000

約数和(自身を除く): 15884865

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 9749, 29247, 48745, 87741, 146235, 438705, 458203, 1374609, 2291015, 4123827, 6873045, 20619135]

約数ペア:

[(1, 20619135), (3, 6873045), (5, 4123827), (9, 2291015), (15, 1374609), (45, 458203), (47, 438705), (141, 146235), (235, 87741), (423, 48745), (705, 29247), (2115, 9749)]