20912166

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3407}}^1$

素因数の和:3457

約数の個数: 48

約数和(自身を含む): 51038208

約数和(自身を除く): 30126042

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 31, 33, 62, 66, 93, 99, 186, 198, 279, 341, 558, 682, 1023, 2046, 3069, 3407, 6138, 6814, 10221, 20442, 30663, 37477, 61326, 74954, 105617, 112431, 211234, 224862, 316851, 337293, 633702, 674586, 950553, 1161787, 1901106, 2323574, 3485361, 6970722, 10456083, 20912166]

約数ペア:

[(1, 20912166), (2, 10456083), (3, 6970722), (6, 3485361), (9, 2323574), (11, 1901106), (18, 1161787), (22, 950553), (31, 674586), (33, 633702), (62, 337293), (66, 316851), (93, 224862), (99, 211234), (186, 112431), (198, 105617), (279, 74954), (341, 61326), (558, 37477), (682, 30663), (1023, 20442), (2046, 10221), (3069, 6814), (3407, 6138)]