20474085

素因数分解:

$3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{3911}}^1$

素因数の和:4268

約数の個数: 16

約数和(自身を含む): 32860800

約数和(自身を除く): 12386715

約数列:

[1, 3, 5, 15, 349, 1047, 1745, 3911, 5235, 11733, 19555, 58665, 1364939, 4094817, 6824695, 20474085]

約数ペア:

[(1, 20474085), (3, 6824695), (5, 4094817), (15, 1364939), (349, 58665), (1047, 19555), (1745, 11733), (3911, 5235)]