20380451819

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1\times {\mathrm{21283}}^1$

素因数の和:21939

約数の個数: 32

約数和(自身を含む): 26603297280

約数和(自身を除く): 6222845461

約数列:

[1, 7, 13, 17, 91, 119, 221, 619, 1547, 4333, 8047, 10523, 21283, 56329, 73661, 136799, 148981, 276679, 361811, 957593, 1936753, 2532677, 4703543, 13174177, 32924801, 92219239, 171264301, 223961009, 1198850107, 1567727063, 2911493117, 20380451819]

約数ペア:

[(1, 20380451819), (7, 2911493117), (13, 1567727063), (17, 1198850107), (91, 223961009), (119, 171264301), (221, 92219239), (619, 32924801), (1547, 13174177), (4333, 4703543), (8047, 2532677), (10523, 1936753), (21283, 957593), (56329, 361811), (73661, 276679), (136799, 148981)]