20009444

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7853}}^1$

素因数の和:7884

約数の個数: 36

約数和(自身を含む): 43872444

約数和(自身を除く): 23863000

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 7853, 15706, 31412, 54971, 102089, 109942, 204178, 219884, 384797, 408356, 714623, 769594, 1429246, 1539188, 2858492, 5002361, 10004722, 20009444]

約数ペア:

[(1, 20009444), (2, 10004722), (4, 5002361), (7, 2858492), (13, 1539188), (14, 1429246), (26, 769594), (28, 714623), (49, 408356), (52, 384797), (91, 219884), (98, 204178), (182, 109942), (196, 102089), (364, 54971), (637, 31412), (1274, 15706), (2548, 7853)]