20953065

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{463}}^1$

素因数の和:909

約数の個数: 32

約数和(自身を含む): 38486016

約数和(自身を除く): 17532951

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 431, 463, 1293, 1389, 2155, 2315, 3017, 3241, 6465, 6945, 9051, 9723, 15085, 16205, 45255, 48615, 199553, 598659, 997765, 1396871, 2993295, 4190613, 6984355, 20953065]

約数ペア:

[(1, 20953065), (3, 6984355), (5, 4190613), (7, 2993295), (15, 1396871), (21, 997765), (35, 598659), (105, 199553), (431, 48615), (463, 45255), (1293, 16205), (1389, 15085), (2155, 9723), (2315, 9051), (3017, 6945), (3241, 6465)]