20942361

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{659}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 13272039

約数列:

[1, 3, 9, 11, 27, 33, 99, 107, 297, 321, 659, 963, 1177, 1977, 2889, 3531, 5931, 7249, 10593, 17793, 21747, 31779, 65241, 70513, 195723, 211539, 634617, 775643, 1903851, 2326929, 6980787, 20942361]

約数ペア:

[(1, 20942361), (3, 6980787), (9, 2326929), (11, 1903851), (27, 775643), (33, 634617), (99, 211539), (107, 195723), (297, 70513), (321, 65241), (659, 31779), (963, 21747), (1177, 17793), (1977, 10593), (2889, 7249), (3531, 5931)]