20594013

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 31739904

約数和(自身を除く): 11145891

約数列:

[1, 3, 11, 31, 33, 41, 93, 123, 341, 451, 491, 1023, 1271, 1353, 1473, 3813, 5401, 13981, 15221, 16203, 20131, 41943, 45663, 60393, 167431, 221441, 502293, 624061, 664323, 1872183, 6864671, 20594013]

約数ペア:

[(1, 20594013), (3, 6864671), (11, 1872183), (31, 664323), (33, 624061), (41, 502293), (93, 221441), (123, 167431), (341, 60393), (451, 45663), (491, 41943), (1023, 20131), (1271, 16203), (1353, 15221), (1473, 13981), (3813, 5401)]