20201814

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{617}}^1$

素因数の和:749

約数の個数: 48

約数和(自身を含む): 46854288

約数和(自身を除く): 26652474

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 107, 153, 214, 306, 321, 617, 642, 963, 1234, 1819, 1851, 1926, 3638, 3702, 5457, 5553, 10489, 10914, 11106, 16371, 20978, 31467, 32742, 62934, 66019, 94401, 132038, 188802, 198057, 396114, 594171, 1122323, 1188342, 2244646, 3366969, 6733938, 10100907, 20201814]

約数ペア:

[(1, 20201814), (2, 10100907), (3, 6733938), (6, 3366969), (9, 2244646), (17, 1188342), (18, 1122323), (34, 594171), (51, 396114), (102, 198057), (107, 188802), (153, 132038), (214, 94401), (306, 66019), (321, 62934), (617, 32742), (642, 31467), (963, 20978), (1234, 16371), (1819, 11106), (1851, 10914), (1926, 10489), (3638, 5553), (3702, 5457)]