20207368528

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{478213}}^1$

素因数の和:478379

約数の個数: 40

約数和(自身を含む): 41508975200

約数和(自身を除く): 21301606672

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 139, 152, 278, 304, 556, 1112, 2224, 2641, 5282, 10564, 21128, 42256, 478213, 956426, 1912852, 3825704, 7651408, 9086047, 18172094, 36344188, 66471607, 72688376, 132943214, 145376752, 265886428, 531772856, 1063545712, 1262960533, 2525921066, 5051842132, 10103684264, 20207368528]

約数ペア:

[(1, 20207368528), (2, 10103684264), (4, 5051842132), (8, 2525921066), (16, 1262960533), (19, 1063545712), (38, 531772856), (76, 265886428), (139, 145376752), (152, 132943214), (278, 72688376), (304, 66471607), (556, 36344188), (1112, 18172094), (2224, 9086047), (2641, 7651408), (5282, 3825704), (10564, 1912852), (21128, 956426), (42256, 478213)]