20704212

素因数分解:

$2^2\times 3^2\times {\mathrm{223}}^1\times {\mathrm{2579}}^1$

素因数の和:2812

約数の個数: 36

約数和(自身を含む): 52590720

約数和(自身を除く): 31886508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 223, 446, 669, 892, 1338, 2007, 2579, 2676, 4014, 5158, 7737, 8028, 10316, 15474, 23211, 30948, 46422, 92844, 575117, 1150234, 1725351, 2300468, 3450702, 5176053, 6901404, 10352106, 20704212]

約数ペア:

[(1, 20704212), (2, 10352106), (3, 6901404), (4, 5176053), (6, 3450702), (9, 2300468), (12, 1725351), (18, 1150234), (36, 575117), (223, 92844), (446, 46422), (669, 30948), (892, 23211), (1338, 15474), (2007, 10316), (2579, 8028), (2676, 7737), (4014, 5158)]