20520378

素因数分解:

$2^1\times 3^5\times {\mathrm{42223}}^1$

素因数の和:42240

約数の個数: 24

約数和(自身を含む): 46108608

約数和(自身を除く): 25588230

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 42223, 84446, 126669, 253338, 380007, 760014, 1140021, 2280042, 3420063, 6840126, 10260189, 20520378]

約数ペア:

[(1, 20520378), (2, 10260189), (3, 6840126), (6, 3420063), (9, 2280042), (18, 1140021), (27, 760014), (54, 380007), (81, 253338), (162, 126669), (243, 84446), (486, 42223)]