20840492

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{619}}^1$

素因数の和:1085

約数の個数: 24

約数和(自身を含む): 38539200

約数和(自身を除く): 17698708

約数列:

[1, 2, 4, 19, 38, 76, 443, 619, 886, 1238, 1772, 2476, 8417, 11761, 16834, 23522, 33668, 47044, 274217, 548434, 1096868, 5210123, 10420246, 20840492]

約数ペア:

[(1, 20840492), (2, 10420246), (4, 5210123), (19, 1096868), (38, 548434), (76, 274217), (443, 47044), (619, 33668), (886, 23522), (1238, 16834), (1772, 11761), (2476, 8417)]