20453865

素因数分解:

$3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2161}}^1$

素因数の和:2800

約数の個数: 16

約数和(自身を含む): 32793216

約数和(自身を除く): 12339351

約数列:

[1, 3, 5, 15, 631, 1893, 2161, 3155, 6483, 9465, 10805, 32415, 1363591, 4090773, 6817955, 20453865]

約数ペア:

[(1, 20453865), (3, 6817955), (5, 4090773), (15, 1363591), (631, 32415), (1893, 10805), (2161, 9465), (3155, 6483)]