20271556

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{11597}}^1$

素因数の和:11643

約数の個数: 24

約数和(自身を含む): 38969280

約数和(自身を除く): 18697724

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 11597, 23194, 46388, 220343, 266731, 440686, 533462, 881372, 1066924, 5067889, 10135778, 20271556]

約数ペア:

[(1, 20271556), (2, 10135778), (4, 5067889), (19, 1066924), (23, 881372), (38, 533462), (46, 440686), (76, 266731), (92, 220343), (437, 46388), (874, 23194), (1748, 11597)]