20278555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{5503}}^1$

素因数の和:5586

約数の個数: 16

約数和(自身を含む): 26947584

約数和(自身を除く): 6669029

約数列:

[1, 5, 11, 55, 67, 335, 737, 3685, 5503, 27515, 60533, 302665, 368701, 1843505, 4055711, 20278555]

約数ペア:

[(1, 20278555), (5, 4055711), (11, 1843505), (55, 368701), (67, 302665), (335, 60533), (737, 27515), (3685, 5503)]