20550015

素因数分解:

$3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1459}}^1$

素因数の和:1783

約数の個数: 24

約数和(自身を含む): 35758320

約数和(自身を除く): 15208305

約数列:

[1, 3, 5, 9, 15, 45, 313, 939, 1459, 1565, 2817, 4377, 4695, 7295, 13131, 14085, 21885, 65655, 456667, 1370001, 2283335, 4110003, 6850005, 20550015]

約数ペア:

[(1, 20550015), (3, 6850005), (5, 4110003), (9, 2283335), (15, 1370001), (45, 456667), (313, 65655), (939, 21885), (1459, 14085), (1565, 13131), (2817, 7295), (4377, 4695)]