20319436

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6521}}^1$

素因数の和:6585

約数の個数: 24

約数和(自身を含む): 38349360

約数和(自身を除く): 18029924

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 6521, 13042, 26084, 123899, 247798, 267361, 495596, 534722, 1069444, 5079859, 10159718, 20319436]

約数ペア:

[(1, 20319436), (2, 10159718), (4, 5079859), (19, 1069444), (38, 534722), (41, 495596), (76, 267361), (82, 247798), (164, 123899), (779, 26084), (1558, 13042), (3116, 6521)]