20285120

素因数分解:

$2^6\times 5^1\times {\mathrm{63391}}^1$

素因数の和:63408

約数の個数: 28

約数和(自身を含む): 48304704

約数和(自身を除く): 28019584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 63391, 126782, 253564, 316955, 507128, 633910, 1014256, 1267820, 2028512, 2535640, 4057024, 5071280, 10142560, 20285120]

約数ペア:

[(1, 20285120), (2, 10142560), (4, 5071280), (5, 4057024), (8, 2535640), (10, 2028512), (16, 1267820), (20, 1014256), (32, 633910), (40, 507128), (64, 316955), (80, 253564), (160, 126782), (320, 63391)]