20806177024

素因数分解:

$2^8\times {\mathrm{191}}^1\times {\mathrm{425519}}^1$

素因数の和:425726

約数の個数: 36

約数和(自身を含む): 41748618240

約数和(自身を除く): 20942441216

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 191, 256, 382, 764, 1528, 3056, 6112, 12224, 24448, 48896, 425519, 851038, 1702076, 3404152, 6808304, 13616608, 27233216, 54466432, 81274129, 108932864, 162548258, 325096516, 650193032, 1300386064, 2600772128, 5201544256, 10403088512, 20806177024]

約数ペア:

[(1, 20806177024), (2, 10403088512), (4, 5201544256), (8, 2600772128), (16, 1300386064), (32, 650193032), (64, 325096516), (128, 162548258), (191, 108932864), (256, 81274129), (382, 54466432), (764, 27233216), (1528, 13616608), (3056, 6808304), (6112, 3404152), (12224, 1702076), (24448, 851038), (48896, 425519)]