20784028540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{94472857}}^1$

素因数の和:94472877

約数の個数: 24

約数和(自身を含む): 47614320432

約数和(自身を除く): 26830291892

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 94472857, 188945714, 377891428, 472364285, 944728570, 1039201427, 1889457140, 2078402854, 4156805708, 5196007135, 10392014270, 20784028540]

約数ペア:

[(1, 20784028540), (2, 10392014270), (4, 5196007135), (5, 4156805708), (10, 2078402854), (11, 1889457140), (20, 1039201427), (22, 944728570), (44, 472364285), (55, 377891428), (110, 188945714), (220, 94472857)]