20342295

素因数分解:

$3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1801}}^1$

素因数の和:2063

約数の個数: 24

約数和(自身を含む): 35420112

約数和(自身を除く): 15077817

約数列:

[1, 3, 5, 9, 15, 45, 251, 753, 1255, 1801, 2259, 3765, 5403, 9005, 11295, 16209, 27015, 81045, 452051, 1356153, 2260255, 4068459, 6780765, 20342295]

約数ペア:

[(1, 20342295), (3, 6780765), (5, 4068459), (9, 2260255), (15, 1356153), (45, 452051), (251, 81045), (753, 27015), (1255, 16209), (1801, 11295), (2259, 9005), (3765, 5403)]