20447038

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1\times {\mathrm{367}}^1$

素因数の和:771

約数の個数: 16

約数和(自身を含む): 31199040

約数和(自身を除く): 10752002

約数列:

[1, 2, 89, 178, 313, 367, 626, 734, 27857, 32663, 55714, 65326, 114871, 229742, 10223519, 20447038]

約数ペア:

[(1, 20447038), (2, 10223519), (89, 229742), (178, 114871), (313, 65326), (367, 55714), (626, 32663), (734, 27857)]