20414540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{19259}}^1$

素因数の和:19321

約数の個数: 24

約数和(自身を含む): 43681680

約数和(自身を除く): 23267140

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 19259, 38518, 77036, 96295, 192590, 385180, 1020727, 2041454, 4082908, 5103635, 10207270, 20414540]

約数ペア:

[(1, 20414540), (2, 10207270), (4, 5103635), (5, 4082908), (10, 2041454), (20, 1020727), (53, 385180), (106, 192590), (212, 96295), (265, 77036), (530, 38518), (1060, 19259)]