20002720

素因数分解:

$2^5\times 5^1\times {\mathrm{125017}}^1$

素因数の和:125032

約数の個数: 24

約数和(自身を含む): 47256804

約数和(自身を除く): 27254084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 125017, 250034, 500068, 625085, 1000136, 1250170, 2000272, 2500340, 4000544, 5000680, 10001360, 20002720]

約数ペア:

[(1, 20002720), (2, 10001360), (4, 5000680), (5, 4000544), (8, 2500340), (10, 2000272), (16, 1250170), (20, 1000136), (32, 625085), (40, 500068), (80, 250034), (160, 125017)]