20963718

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{16879}}^1$

素因数の和:16913

約数の個数: 32

約数和(自身を含む): 48614400

約数和(自身を除く): 27650682

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 16879, 33758, 50637, 101274, 151911, 303822, 388217, 455733, 776434, 911466, 1164651, 2329302, 3493953, 6987906, 10481859, 20963718]

約数ペア:

[(1, 20963718), (2, 10481859), (3, 6987906), (6, 3493953), (9, 2329302), (18, 1164651), (23, 911466), (27, 776434), (46, 455733), (54, 388217), (69, 303822), (138, 151911), (207, 101274), (414, 50637), (621, 33758), (1242, 16879)]