20326720

素因数分解:

$2^6\times 5^1\times {\mathrm{63521}}^1$

素因数の和:63538

約数の個数: 28

約数和(自身を含む): 48403764

約数和(自身を除く): 28077044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 63521, 127042, 254084, 317605, 508168, 635210, 1016336, 1270420, 2032672, 2540840, 4065344, 5081680, 10163360, 20326720]

約数ペア:

[(1, 20326720), (2, 10163360), (4, 5081680), (5, 4065344), (8, 2540840), (10, 2032672), (16, 1270420), (20, 1016336), (32, 635210), (40, 508168), (64, 317605), (80, 254084), (160, 127042), (320, 63521)]