20153172963

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{12923}}^1$

素因数の和:13144

約数の個数: 64

約数和(自身を含む): 34501496832

約数和(自身を除く): 14348323869

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 157, 231, 301, 471, 473, 903, 1099, 1419, 1727, 3297, 3311, 5181, 6751, 9933, 12089, 12923, 20253, 36267, 38769, 47257, 74261, 90461, 141771, 142153, 222783, 271383, 426459, 519827, 555689, 995071, 1559481, 1667067, 2028911, 2985213, 3889823, 6086733, 6112579, 11669469, 14202377, 18337737, 22318021, 42607131, 42788053, 66954063, 87243173, 128364159, 156226147, 261729519, 468678441, 610702211, 959674903, 1832106633, 2879024709, 6717724321, 20153172963]

約数ペア:

[(1, 20153172963), (3, 6717724321), (7, 2879024709), (11, 1832106633), (21, 959674903), (33, 610702211), (43, 468678441), (77, 261729519), (129, 156226147), (157, 128364159), (231, 87243173), (301, 66954063), (471, 42788053), (473, 42607131), (903, 22318021), (1099, 18337737), (1419, 14202377), (1727, 11669469), (3297, 6112579), (3311, 6086733), (5181, 3889823), (6751, 2985213), (9933, 2028911), (12089, 1667067), (12923, 1559481), (20253, 995071), (36267, 555689), (38769, 519827), (47257, 426459), (74261, 271383), (90461, 222783), (141771, 142153)]