20527101

素因数分解:

$3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{883}}^1$

素因数の和:943

約数の個数: 40

約数和(自身を含む): 35939904

約数和(自身を除く): 15412803

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 123, 189, 287, 369, 567, 861, 883, 1107, 2583, 2649, 3321, 6181, 7749, 7947, 18543, 23247, 23841, 36203, 55629, 71523, 108609, 166887, 253421, 325827, 500661, 760263, 977481, 2280789, 2932443, 6842367, 20527101]

約数ペア:

[(1, 20527101), (3, 6842367), (7, 2932443), (9, 2280789), (21, 977481), (27, 760263), (41, 500661), (63, 325827), (81, 253421), (123, 166887), (189, 108609), (287, 71523), (369, 55629), (567, 36203), (861, 23841), (883, 23247), (1107, 18543), (2583, 7947), (2649, 7749), (3321, 6181)]