20038930

素因数分解:

$2^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{2477}}^1$

素因数の和:3293

約数の個数: 16

約数和(自身を含む): 36129240

約数和(自身を除く): 16090310

約数列:

[1, 2, 5, 10, 809, 1618, 2477, 4045, 4954, 8090, 12385, 24770, 2003893, 4007786, 10019465, 20038930]

約数ペア:

[(1, 20038930), (2, 10019465), (5, 4007786), (10, 2003893), (809, 24770), (1618, 12385), (2477, 8090), (4045, 4954)]