20315718

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{12973}}^1$

素因数の和:13013

約数の個数: 32

約数和(自身を含む): 46706400

約数和(自身を除く): 26390682

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 174, 261, 522, 783, 1566, 12973, 25946, 38919, 77838, 116757, 233514, 350271, 376217, 700542, 752434, 1128651, 2257302, 3385953, 6771906, 10157859, 20315718]

約数ペア:

[(1, 20315718), (2, 10157859), (3, 6771906), (6, 3385953), (9, 2257302), (18, 1128651), (27, 752434), (29, 700542), (54, 376217), (58, 350271), (87, 233514), (174, 116757), (261, 77838), (522, 38919), (783, 25946), (1566, 12973)]