20059915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{12421}}^1$

素因数の和:12462

約数の個数: 16

約数和(自身を含む): 26831520

約数和(自身を除く): 6771605

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 12421, 62105, 211157, 235999, 1055785, 1179995, 4011983, 20059915]

約数ペア:

[(1, 20059915), (5, 4011983), (17, 1179995), (19, 1055785), (85, 235999), (95, 211157), (323, 62105), (1615, 12421)]