20737492713

素因数分解:

$3^2\times 7^2\times {\mathrm{1019}}^1\times {\mathrm{46147}}^1$

素因数の和:47186

約数の個数: 36

約数和(自身を含む): 34879581360

約数和(自身を除く): 14142088647

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 1019, 3057, 7133, 9171, 21399, 46147, 49931, 64197, 138441, 149793, 323029, 415323, 449379, 969087, 2261203, 2907261, 6783609, 20350827, 47023793, 141071379, 329166551, 423214137, 987499653, 2304165857, 2962498959, 6912497571, 20737492713]

約数ペア:

[(1, 20737492713), (3, 6912497571), (7, 2962498959), (9, 2304165857), (21, 987499653), (49, 423214137), (63, 329166551), (147, 141071379), (441, 47023793), (1019, 20350827), (3057, 6783609), (7133, 2907261), (9171, 2261203), (21399, 969087), (46147, 449379), (49931, 415323), (64197, 323029), (138441, 149793)]