20773644

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 50147328

約数和(自身を除く): 29373684

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 127, 129, 172, 254, 258, 317, 381, 508, 516, 634, 762, 951, 1268, 1524, 1902, 3804, 5461, 10922, 13631, 16383, 21844, 27262, 32766, 40259, 40893, 54524, 65532, 80518, 81786, 120777, 161036, 163572, 241554, 483108, 1731137, 3462274, 5193411, 6924548, 10386822, 20773644]

約数ペア:

[(1, 20773644), (2, 10386822), (3, 6924548), (4, 5193411), (6, 3462274), (12, 1731137), (43, 483108), (86, 241554), (127, 163572), (129, 161036), (172, 120777), (254, 81786), (258, 80518), (317, 65532), (381, 54524), (508, 40893), (516, 40259), (634, 32766), (762, 27262), (951, 21844), (1268, 16383), (1524, 13631), (1902, 10922), (3804, 5461)]