20138518295

素因数分解:

$5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1738327}}^1$

素因数の和:1738670

約数の個数: 16

約数和(自身を含む): 27701995008

約数和(自身を除く): 7563476713

約数列:

[1, 5, 7, 35, 331, 1655, 2317, 11585, 1738327, 8691635, 12168289, 60841445, 575386237, 2876931185, 4027703659, 20138518295]

約数ペア:

[(1, 20138518295), (5, 4027703659), (7, 2876931185), (35, 575386237), (331, 60841445), (1655, 12168289), (2317, 8691635), (11585, 1738327)]