20883933

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2351}}^1$

素因数の和:2414

約数の個数: 32

約数和(自身を含む): 36126720

約数和(自身を除く): 15242787

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2351, 2961, 7053, 8883, 16457, 21159, 49371, 63477, 110497, 148113, 331491, 444339, 773479, 994473, 2320437, 2983419, 6961311, 20883933]

約数ペア:

[(1, 20883933), (3, 6961311), (7, 2983419), (9, 2320437), (21, 994473), (27, 773479), (47, 444339), (63, 331491), (141, 148113), (189, 110497), (329, 63477), (423, 49371), (987, 21159), (1269, 16457), (2351, 8883), (2961, 7053)]