20576320

素因数分解:

$2^6\times 5^1\times {\mathrm{64301}}^1$

素因数の和:64318

約数の個数: 28

約数和(自身を含む): 48998124

約数和(自身を除く): 28421804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 64301, 128602, 257204, 321505, 514408, 643010, 1028816, 1286020, 2057632, 2572040, 4115264, 5144080, 10288160, 20576320]

約数ペア:

[(1, 20576320), (2, 10288160), (4, 5144080), (5, 4115264), (8, 2572040), (10, 2057632), (16, 1286020), (20, 1028816), (32, 643010), (40, 514408), (64, 321505), (80, 257204), (160, 128602), (320, 64301)]