20185887477

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12167503}}^1$

素因数の和:12167592

約数の個数: 16

約数和(自身を含む): 31148810240

約数和(自身を除く): 10962922763

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 12167503, 36502509, 85172521, 255517563, 961232737, 2883698211, 6728629159, 20185887477]

約数ペア:

[(1, 20185887477), (3, 6728629159), (7, 2883698211), (21, 961232737), (79, 255517563), (237, 85172521), (553, 36502509), (1659, 12167503)]