20293635

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 33758208

約数和(自身を除く): 13464573

約数列:

[1, 3, 5, 15, 43, 73, 129, 215, 219, 365, 431, 645, 1095, 1293, 2155, 3139, 6465, 9417, 15695, 18533, 31463, 47085, 55599, 92665, 94389, 157315, 277995, 471945, 1352909, 4058727, 6764545, 20293635]

約数ペア:

[(1, 20293635), (3, 6764545), (5, 4058727), (15, 1352909), (43, 471945), (73, 277995), (129, 157315), (215, 94389), (219, 92665), (365, 55599), (431, 47085), (645, 31463), (1095, 18533), (1293, 15695), (2155, 9417), (3139, 6465)]