20687579718

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15601493}}^1$

素因数の和:15601528

約数の個数: 32

約数和(自身を含む): 47178917856

約数和(自身を除く): 26491338138

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 15601493, 31202986, 46804479, 93608958, 202819409, 265225381, 405638818, 530450762, 608458227, 795676143, 1216916454, 1591352286, 3447929953, 6895859906, 10343789859, 20687579718]

約数ペア:

[(1, 20687579718), (2, 10343789859), (3, 6895859906), (6, 3447929953), (13, 1591352286), (17, 1216916454), (26, 795676143), (34, 608458227), (39, 530450762), (51, 405638818), (78, 265225381), (102, 202819409), (221, 93608958), (442, 46804479), (663, 31202986), (1326, 15601493)]