20179940745

素因数分解:

$3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1777}}^1\times {\mathrm{1907}}^1$

素因数の和:4089

約数の個数: 32

約数和(自身を含む): 32404434048

約数和(自身を除く): 12224493303

約数列:

[1, 3, 5, 15, 397, 1191, 1777, 1907, 1985, 5331, 5721, 5955, 8885, 9535, 26655, 28605, 705469, 757079, 2116407, 2271237, 3388739, 3527345, 3785395, 10166217, 10582035, 11356185, 16943695, 50831085, 1345329383, 4035988149, 6726646915, 20179940745]

約数ペア:

[(1, 20179940745), (3, 6726646915), (5, 4035988149), (15, 1345329383), (397, 50831085), (1191, 16943695), (1777, 11356185), (1907, 10582035), (1985, 10166217), (5331, 3785395), (5721, 3527345), (5955, 3388739), (8885, 2271237), (9535, 2116407), (26655, 757079), (28605, 705469)]