20447914

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^2$

素因数の和:282

約数の個数: 24

約数和(自身を含む): 33284160

約数和(自身を除く): 12836246

約数列:

[1, 2, 19, 38, 47, 94, 107, 214, 893, 1786, 2033, 4066, 5029, 10058, 11449, 22898, 95551, 191102, 217531, 435062, 538103, 1076206, 10223957, 20447914]

約数ペア:

[(1, 20447914), (2, 10223957), (19, 1076206), (38, 538103), (47, 435062), (94, 217531), (107, 191102), (214, 95551), (893, 22898), (1786, 11449), (2033, 10058), (4066, 5029)]