21977776820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{10081549}}^1$

素因数の和:10081667

約数の個数: 24

約数和(自身を含む): 46576761000

約数和(自身を除く): 24598984180

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 10081549, 20163098, 40326196, 50407745, 100815490, 201630980, 1098888841, 2197777682, 4395555364, 5494444205, 10988888410, 21977776820]

約数ペア:

[(1, 21977776820), (2, 10988888410), (4, 5494444205), (5, 4395555364), (10, 2197777682), (20, 1098888841), (109, 201630980), (218, 100815490), (436, 50407745), (545, 40326196), (1090, 20163098), (2180, 10081549)]