20458282

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:718

約数の個数: 32

約数和(自身を含む): 35038080

約数和(自身を除く): 14579798

約数列:

[1, 2, 13, 26, 29, 43, 58, 86, 377, 559, 631, 754, 1118, 1247, 1262, 2494, 8203, 16211, 16406, 18299, 27133, 32422, 36598, 54266, 237887, 352729, 475774, 705458, 786857, 1573714, 10229141, 20458282]

約数ペア:

[(1, 20458282), (2, 10229141), (13, 1573714), (26, 786857), (29, 705458), (43, 475774), (58, 352729), (86, 237887), (377, 54266), (559, 36598), (631, 32422), (754, 27133), (1118, 18299), (1247, 16406), (1262, 16211), (2494, 8203)]