20343376

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66919}}^1$

素因数の和:66946

約数の個数: 20

約数和(自身を含む): 41490400

約数和(自身を除く): 21147024

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66919, 133838, 267676, 535352, 1070704, 1271461, 2542922, 5085844, 10171688, 20343376]

約数ペア:

[(1, 20343376), (2, 10171688), (4, 5085844), (8, 2542922), (16, 1271461), (19, 1070704), (38, 535352), (76, 267676), (152, 133838), (304, 66919)]