38686020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{644767}}^1$

素因数の和:644779

約数の個数: 24

約数和(自身を含む): 108321024

約数和(自身を除く): 69635004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 644767, 1289534, 1934301, 2579068, 3223835, 3868602, 6447670, 7737204, 9671505, 12895340, 19343010, 38686020]

約数ペア:

[(1, 38686020), (2, 19343010), (3, 12895340), (4, 9671505), (5, 7737204), (6, 6447670), (10, 3868602), (12, 3223835), (15, 2579068), (20, 1934301), (30, 1289534), (60, 644767)]