20646768

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{22639}}^1$

素因数の和:22669

約数の個数: 40

約数和(自身を含む): 56147200

約数和(自身を除く): 35500432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 22639, 45278, 67917, 90556, 135834, 181112, 271668, 362224, 430141, 543336, 860282, 1086672, 1290423, 1720564, 2580846, 3441128, 5161692, 6882256, 10323384, 20646768]

約数ペア:

[(1, 20646768), (2, 10323384), (3, 6882256), (4, 5161692), (6, 3441128), (8, 2580846), (12, 1720564), (16, 1290423), (19, 1086672), (24, 860282), (38, 543336), (48, 430141), (57, 362224), (76, 271668), (114, 181112), (152, 135834), (228, 90556), (304, 67917), (456, 45278), (912, 22639)]