20852804

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2063}}^1$

素因数の和:2112

約数の個数: 36

約数和(自身を含む): 44037504

約数和(自身を除く): 23184700

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 2063, 2527, 4126, 5054, 8252, 10108, 14441, 28882, 39197, 57764, 78394, 156788, 274379, 548758, 744743, 1097516, 1489486, 2978972, 5213201, 10426402, 20852804]

約数ペア:

[(1, 20852804), (2, 10426402), (4, 5213201), (7, 2978972), (14, 1489486), (19, 1097516), (28, 744743), (38, 548758), (76, 274379), (133, 156788), (266, 78394), (361, 57764), (532, 39197), (722, 28882), (1444, 14441), (2063, 10108), (2527, 8252), (4126, 5054)]