20701095

素因数分解:

$3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{2153}}^1$

素因数の和:2802

約数の個数: 16

約数和(自身を含む): 33188832

約数和(自身を除く): 12487737

約数列:

[1, 3, 5, 15, 641, 1923, 2153, 3205, 6459, 9615, 10765, 32295, 1380073, 4140219, 6900365, 20701095]

約数ペア:

[(1, 20701095), (3, 6900365), (5, 4140219), (15, 1380073), (641, 32295), (1923, 10765), (2153, 9615), (3205, 6459)]