20958534

素因数分解:

$2^1\times 3^3\times {\mathrm{137}}^1\times {\mathrm{2833}}^1$

素因数の和:2981

約数の個数: 32

約数和(自身を含む): 46931040

約数和(自身を除く): 25972506

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 137, 274, 411, 822, 1233, 2466, 2833, 3699, 5666, 7398, 8499, 16998, 25497, 50994, 76491, 152982, 388121, 776242, 1164363, 2328726, 3493089, 6986178, 10479267, 20958534]

約数ペア:

[(1, 20958534), (2, 10479267), (3, 6986178), (6, 3493089), (9, 2328726), (18, 1164363), (27, 776242), (54, 388121), (137, 152982), (274, 76491), (411, 50994), (822, 25497), (1233, 16998), (2466, 8499), (2833, 7398), (3699, 5666)]