20341928

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{401}}^1$

素因数の和:797

約数の個数: 32

約数和(自身を含む): 40593960

約数和(自身を除く): 20252032

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 373, 401, 746, 802, 1492, 1604, 2984, 3208, 6341, 6817, 12682, 13634, 25364, 27268, 50728, 54536, 149573, 299146, 598292, 1196584, 2542741, 5085482, 10170964, 20341928]

約数ペア:

[(1, 20341928), (2, 10170964), (4, 5085482), (8, 2542741), (17, 1196584), (34, 598292), (68, 299146), (136, 149573), (373, 54536), (401, 50728), (746, 27268), (802, 25364), (1492, 13634), (1604, 12682), (2984, 6817), (3208, 6341)]