20598417

素因数分解:

$3^2\times 7^1\times {\mathrm{557}}^1\times {\mathrm{587}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 34122816

約数和(自身を除く): 13524399

約数列:

[1, 3, 7, 9, 21, 63, 557, 587, 1671, 1761, 3899, 4109, 5013, 5283, 11697, 12327, 35091, 36981, 326959, 980877, 2288713, 2942631, 6866139, 20598417]

約数ペア:

[(1, 20598417), (3, 6866139), (7, 2942631), (9, 2288713), (21, 980877), (63, 326959), (557, 36981), (587, 35091), (1671, 12327), (1761, 11697), (3899, 5283), (4109, 5013)]