20085454977

素因数分解:

$3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1835797}}^1$

素因数の和:1836328

約数の個数: 16

約数和(自身を含む): 30665169792

約数和(自身を除く): 10579714815

約数列:

[1, 3, 7, 21, 521, 1563, 3647, 10941, 1835797, 5507391, 12850579, 38551737, 956450237, 2869350711, 6695151659, 20085454977]

約数ペア:

[(1, 20085454977), (3, 6695151659), (7, 2869350711), (21, 956450237), (521, 38551737), (1563, 12850579), (3647, 5507391), (10941, 1835797)]