20465415

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3581}}^1$

素因数の和:3719

約数の個数: 24

約数和(自身を含む): 35762688

約数和(自身を除く): 15297273

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 3581, 5715, 10743, 17905, 32229, 53715, 161145, 454787, 1364361, 2273935, 4093083, 6821805, 20465415]

約数ペア:

[(1, 20465415), (3, 6821805), (5, 4093083), (9, 2273935), (15, 1364361), (45, 454787), (127, 161145), (381, 53715), (635, 32229), (1143, 17905), (1905, 10743), (3581, 5715)]