20025195

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18803}}^1$

素因数の和:18882

約数の個数: 16

約数和(自身を含む): 32493312

約数和(自身を除く): 12468117

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 18803, 56409, 94015, 282045, 1335013, 4005039, 6675065, 20025195]

約数ペア:

[(1, 20025195), (3, 6675065), (5, 4005039), (15, 1335013), (71, 282045), (213, 94015), (355, 56409), (1065, 18803)]