200019908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^2$

素因数の和:512

約数の個数: 36

約数和(自身を含む): 386513232

約数和(自身を除く): 186493324

約数列:

[1, 2, 4, 11, 22, 44, 163, 167, 326, 334, 652, 668, 1793, 1837, 3586, 3674, 7172, 7348, 27221, 27889, 54442, 55778, 108884, 111556, 299431, 306779, 598862, 613558, 1197724, 1227116, 4545907, 9091814, 18183628, 50004977, 100009954, 200019908]

約数ペア:

[(1, 200019908), (2, 100009954), (4, 50004977), (11, 18183628), (22, 9091814), (44, 4545907), (163, 1227116), (167, 1197724), (326, 613558), (334, 598862), (652, 306779), (668, 299431), (1793, 111556), (1837, 108884), (3586, 55778), (3674, 54442), (7172, 27889), (7348, 27221)]