20550216

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{19913}}^1$

素因数の和:19965

約数の個数: 32

約数和(自身を含む): 52572960

約数和(自身を除く): 32022744

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 19913, 39826, 59739, 79652, 119478, 159304, 238956, 477912, 856259, 1712518, 2568777, 3425036, 5137554, 6850072, 10275108, 20550216]

約数ペア:

[(1, 20550216), (2, 10275108), (3, 6850072), (4, 5137554), (6, 3425036), (8, 2568777), (12, 1712518), (24, 856259), (43, 477912), (86, 238956), (129, 159304), (172, 119478), (258, 79652), (344, 59739), (516, 39826), (1032, 19913)]