20178880

素因数分解:

$2^6\times 5^1\times {\mathrm{63059}}^1$

素因数の和:63076

約数の個数: 28

約数和(自身を含む): 48051720

約数和(自身を除く): 27872840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 63059, 126118, 252236, 315295, 504472, 630590, 1008944, 1261180, 2017888, 2522360, 4035776, 5044720, 10089440, 20178880]

約数ペア:

[(1, 20178880), (2, 10089440), (4, 5044720), (5, 4035776), (8, 2522360), (10, 2017888), (16, 1261180), (20, 1008944), (32, 630590), (40, 504472), (64, 315295), (80, 252236), (160, 126118), (320, 63059)]