20524581

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4231}}^1$

素因数の和:4262

約数の個数: 36

約数和(自身を含む): 37630944

約数和(自身を除く): 17106363

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 4231, 4851, 12693, 29617, 38079, 46541, 88851, 139623, 207319, 266553, 325787, 418869, 621957, 977361, 1865871, 2280509, 2932083, 6841527, 20524581]

約数ペア:

[(1, 20524581), (3, 6841527), (7, 2932083), (9, 2280509), (11, 1865871), (21, 977361), (33, 621957), (49, 418869), (63, 325787), (77, 266553), (99, 207319), (147, 139623), (231, 88851), (441, 46541), (539, 38079), (693, 29617), (1617, 12693), (4231, 4851)]