19540020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{325667}}^1$

素因数の和:325679

約数の個数: 24

約数和(自身を含む): 54712224

約数和(自身を除く): 35172204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 325667, 651334, 977001, 1302668, 1628335, 1954002, 3256670, 3908004, 4885005, 6513340, 9770010, 19540020]

約数ペア:

[(1, 19540020), (2, 9770010), (3, 6513340), (4, 4885005), (5, 3908004), (6, 3256670), (10, 1954002), (12, 1628335), (15, 1302668), (20, 977001), (30, 651334), (60, 325667)]