20454868

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{38449}}^1$

素因数の和:38479

約数の個数: 24

約数和(自身を含む): 43064000

約数和(自身を除く): 22609132

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 38449, 76898, 153796, 269143, 538286, 730531, 1076572, 1461062, 2922124, 5113717, 10227434, 20454868]

約数ペア:

[(1, 20454868), (2, 10227434), (4, 5113717), (7, 2922124), (14, 1461062), (19, 1076572), (28, 730531), (38, 538286), (76, 269143), (133, 153796), (266, 76898), (532, 38449)]