20349495

素因数分解:

$3^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{491}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 36368640

約数和(自身を除く): 16019145

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 307, 491, 921, 1473, 1535, 2455, 2763, 4419, 4605, 7365, 8289, 13257, 13815, 22095, 41445, 66285, 150737, 452211, 753685, 1356633, 2261055, 4069899, 6783165, 20349495]

約数ペア:

[(1, 20349495), (3, 6783165), (5, 4069899), (9, 2261055), (15, 1356633), (27, 753685), (45, 452211), (135, 150737), (307, 66285), (491, 41445), (921, 22095), (1473, 13815), (1535, 13257), (2455, 8289), (2763, 7365), (4419, 4605)]