20788884

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{4547}}^1$

素因数の和:4684

約数の個数: 36

約数和(自身を含む): 52975104

約数和(自身を除く): 32186220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 254, 381, 508, 762, 1143, 1524, 2286, 4547, 4572, 9094, 13641, 18188, 27282, 40923, 54564, 81846, 163692, 577469, 1154938, 1732407, 2309876, 3464814, 5197221, 6929628, 10394442, 20788884]

約数ペア:

[(1, 20788884), (2, 10394442), (3, 6929628), (4, 5197221), (6, 3464814), (9, 2309876), (12, 1732407), (18, 1154938), (36, 577469), (127, 163692), (254, 81846), (381, 54564), (508, 40923), (762, 27282), (1143, 18188), (1524, 13641), (2286, 9094), (4547, 4572)]