20157155613

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1871081}}^1$

素因数の和:1871119

約数の個数: 40

約数和(自身を含む): 36224147520

約数和(自身を除く): 16066991907

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 1197, 1539, 3591, 10773, 1871081, 5613243, 13097567, 16839729, 35550539, 39292701, 50519187, 106651617, 117878103, 151557561, 248853773, 319954851, 353634309, 746561319, 959864553, 1060902927, 2239683957, 2879593659, 6719051871, 20157155613]

約数ペア:

[(1, 20157155613), (3, 6719051871), (7, 2879593659), (9, 2239683957), (19, 1060902927), (21, 959864553), (27, 746561319), (57, 353634309), (63, 319954851), (81, 248853773), (133, 151557561), (171, 117878103), (189, 106651617), (399, 50519187), (513, 39292701), (567, 35550539), (1197, 16839729), (1539, 13097567), (3591, 5613243), (10773, 1871081)]