20888320

素因数分解:

$2^8\times 5^1\times {\mathrm{16319}}^1$

素因数の和:16340

約数の個数: 36

約数和(自身を含む): 50037120

約数和(自身を除く): 29148800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 16319, 32638, 65276, 81595, 130552, 163190, 261104, 326380, 522208, 652760, 1044416, 1305520, 2088832, 2611040, 4177664, 5222080, 10444160, 20888320]

約数ペア:

[(1, 20888320), (2, 10444160), (4, 5222080), (5, 4177664), (8, 2611040), (10, 2088832), (16, 1305520), (20, 1044416), (32, 652760), (40, 522208), (64, 326380), (80, 261104), (128, 163190), (160, 130552), (256, 81595), (320, 65276), (640, 32638), (1280, 16319)]