20164874553

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1\times {\mathrm{7639}}^1$

素因数の和:8066

約数の個数: 48

約数和(自身を含む): 31464576000

約数和(自身を除く): 11299701447

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 359, 387, 817, 1077, 2451, 3231, 6821, 7353, 7639, 15437, 20463, 22917, 46311, 61389, 68751, 138933, 145141, 293303, 328477, 435423, 879909, 985431, 1306269, 2639727, 2742401, 2956293, 6241063, 8227203, 18723189, 24681609, 52105619, 56169567, 117923243, 156316857, 353769729, 468950571, 1061309187, 2240541617, 6721624851, 20164874553]

約数ペア:

[(1, 20164874553), (3, 6721624851), (9, 2240541617), (19, 1061309187), (43, 468950571), (57, 353769729), (129, 156316857), (171, 117923243), (359, 56169567), (387, 52105619), (817, 24681609), (1077, 18723189), (2451, 8227203), (3231, 6241063), (6821, 2956293), (7353, 2742401), (7639, 2639727), (15437, 1306269), (20463, 985431), (22917, 879909), (46311, 435423), (61389, 328477), (68751, 293303), (138933, 145141)]