20479816

素因数分解:

$2^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1423}}^1$

素因数の和:1693

約数の個数: 32

約数和(自身を含む): 44087040

約数和(自身を除く): 23607224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 257, 514, 1028, 1423, 1799, 2056, 2846, 3598, 5692, 7196, 9961, 11384, 14392, 19922, 39844, 79688, 365711, 731422, 1462844, 2559977, 2925688, 5119954, 10239908, 20479816]

約数ペア:

[(1, 20479816), (2, 10239908), (4, 5119954), (7, 2925688), (8, 2559977), (14, 1462844), (28, 731422), (56, 365711), (257, 79688), (514, 39844), (1028, 19922), (1423, 14392), (1799, 11384), (2056, 9961), (2846, 7196), (3598, 5692)]