20485938

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{8389}}^1$

素因数の和:8442

約数の個数: 32

約数和(自身を含む): 45910080

約数和(自身を除く): 25424142

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 222, 407, 814, 1221, 2442, 8389, 16778, 25167, 50334, 92279, 184558, 276837, 310393, 553674, 620786, 931179, 1862358, 3414323, 6828646, 10242969, 20485938]

約数ペア:

[(1, 20485938), (2, 10242969), (3, 6828646), (6, 3414323), (11, 1862358), (22, 931179), (33, 620786), (37, 553674), (66, 310393), (74, 276837), (111, 184558), (222, 92279), (407, 50334), (814, 25167), (1221, 16778), (2442, 8389)]