20043385

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^2$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 26248320

約数和(自身を除く): 6204935

約数列:

[1, 5, 19, 47, 67, 95, 235, 335, 893, 1273, 3149, 4465, 4489, 6365, 15745, 22445, 59831, 85291, 210983, 299155, 426455, 1054915, 4008677, 20043385]

約数ペア:

[(1, 20043385), (5, 4008677), (19, 1054915), (47, 426455), (67, 299155), (95, 210983), (235, 85291), (335, 59831), (893, 22445), (1273, 15745), (3149, 6365), (4465, 4489)]