20789604

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1117}}^1$

素因数の和:1185

約数の個数: 72

約数和(自身を含む): 58601088

約数和(自身を除く): 37811484

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 47, 66, 94, 99, 132, 141, 188, 198, 282, 396, 423, 517, 564, 846, 1034, 1117, 1551, 1692, 2068, 2234, 3102, 3351, 4468, 4653, 6204, 6702, 9306, 10053, 12287, 13404, 18612, 20106, 24574, 36861, 40212, 49148, 52499, 73722, 104998, 110583, 147444, 157497, 209996, 221166, 314994, 442332, 472491, 577489, 629988, 944982, 1154978, 1732467, 1889964, 2309956, 3464934, 5197401, 6929868, 10394802, 20789604]

約数ペア:

[(1, 20789604), (2, 10394802), (3, 6929868), (4, 5197401), (6, 3464934), (9, 2309956), (11, 1889964), (12, 1732467), (18, 1154978), (22, 944982), (33, 629988), (36, 577489), (44, 472491), (47, 442332), (66, 314994), (94, 221166), (99, 209996), (132, 157497), (141, 147444), (188, 110583), (198, 104998), (282, 73722), (396, 52499), (423, 49148), (517, 40212), (564, 36861), (846, 24574), (1034, 20106), (1117, 18612), (1551, 13404), (1692, 12287), (2068, 10053), (2234, 9306), (3102, 6702), (3351, 6204), (4468, 4653)]