20294065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8581}}^1$

素因数の和:8640

約数の個数: 16

約数和(自身を含む): 27187776

約数和(自身を除く): 6893711

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 8581, 42905, 94391, 368983, 471955, 1844915, 4058813, 20294065]

約数ペア:

[(1, 20294065), (5, 4058813), (11, 1844915), (43, 471955), (55, 368983), (215, 94391), (473, 42905), (2365, 8581)]