20869725

素因数分解:

$3^1\times 5^2\times {\mathrm{463}}^1\times {\mathrm{601}}^1$

素因数の和:1077

約数の個数: 24

約数和(自身を含む): 34636672

約数和(自身を除く): 13766947

約数列:

[1, 3, 5, 15, 25, 75, 463, 601, 1389, 1803, 2315, 3005, 6945, 9015, 11575, 15025, 34725, 45075, 278263, 834789, 1391315, 4173945, 6956575, 20869725]

約数ペア:

[(1, 20869725), (3, 6956575), (5, 4173945), (15, 1391315), (25, 834789), (75, 278263), (463, 45075), (601, 34725), (1389, 15025), (1803, 11575), (2315, 9015), (3005, 6945)]