20696325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21227}}^1$

素因数の和:21253

約数の個数: 24

約数和(自身を含む): 36851808

約数和(自身を除く): 16155483

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 21227, 63681, 106135, 275951, 318405, 530675, 827853, 1379755, 1592025, 4139265, 6898775, 20696325]

約数ペア:

[(1, 20696325), (3, 6898775), (5, 4139265), (13, 1592025), (15, 1379755), (25, 827853), (39, 530675), (65, 318405), (75, 275951), (195, 106135), (325, 63681), (975, 21227)]