20982272

素因数分解:

$2^9\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:508

約数の個数: 40

約数和(自身を含む): 42425856

約数和(自身を除く): 21443584

約数列:

[1, 2, 4, 8, 16, 32, 64, 107, 128, 214, 256, 383, 428, 512, 766, 856, 1532, 1712, 3064, 3424, 6128, 6848, 12256, 13696, 24512, 27392, 40981, 49024, 54784, 81962, 98048, 163924, 196096, 327848, 655696, 1311392, 2622784, 5245568, 10491136, 20982272]

約数ペア:

[(1, 20982272), (2, 10491136), (4, 5245568), (8, 2622784), (16, 1311392), (32, 655696), (64, 327848), (107, 196096), (128, 163924), (214, 98048), (256, 81962), (383, 54784), (428, 49024), (512, 40981), (766, 27392), (856, 24512), (1532, 13696), (1712, 12256), (3064, 6848), (3424, 6128)]