20736456

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{66463}}^1$

素因数の和:66485

約数の個数: 32

約数和(自身を含む): 55829760

約数和(自身を除く): 35093304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 66463, 132926, 199389, 265852, 398778, 531704, 797556, 864019, 1595112, 1728038, 2592057, 3456076, 5184114, 6912152, 10368228, 20736456]

約数ペア:

[(1, 20736456), (2, 10368228), (3, 6912152), (4, 5184114), (6, 3456076), (8, 2592057), (12, 1728038), (13, 1595112), (24, 864019), (26, 797556), (39, 531704), (52, 398778), (78, 265852), (104, 199389), (156, 132926), (312, 66463)]