20456744

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3019}}^1$

素因数の和:3054

約数の個数: 48

約数和(自身を含む): 48199200

約数和(自身を除く): 27742456

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 616, 847, 968, 1694, 3019, 3388, 6038, 6776, 12076, 21133, 24152, 33209, 42266, 66418, 84532, 132836, 169064, 232463, 265672, 365299, 464926, 730598, 929852, 1461196, 1859704, 2557093, 2922392, 5114186, 10228372, 20456744]

約数ペア:

[(1, 20456744), (2, 10228372), (4, 5114186), (7, 2922392), (8, 2557093), (11, 1859704), (14, 1461196), (22, 929852), (28, 730598), (44, 464926), (56, 365299), (77, 265672), (88, 232463), (121, 169064), (154, 132836), (242, 84532), (308, 66418), (484, 42266), (616, 33209), (847, 24152), (968, 21133), (1694, 12076), (3019, 6776), (3388, 6038)]