20932480

素因数分解:

$2^7\times 5^1\times {\mathrm{32707}}^1$

素因数の和:32726

約数の個数: 32

約数和(自身を含む): 50043240

約数和(自身を除く): 29110760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 32707, 65414, 130828, 163535, 261656, 327070, 523312, 654140, 1046624, 1308280, 2093248, 2616560, 4186496, 5233120, 10466240, 20932480]

約数ペア:

[(1, 20932480), (2, 10466240), (4, 5233120), (5, 4186496), (8, 2616560), (10, 2093248), (16, 1308280), (20, 1046624), (32, 654140), (40, 523312), (64, 327070), (80, 261656), (128, 163535), (160, 130828), (320, 65414), (640, 32707)]