20558718

素因数分解:

$2^1\times 3^3\times {\mathrm{317}}^1\times {\mathrm{1201}}^1$

素因数の和:1529

約数の個数: 32

約数和(自身を含む): 45868320

約数和(自身を除く): 25309602

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 317, 634, 951, 1201, 1902, 2402, 2853, 3603, 5706, 7206, 8559, 10809, 17118, 21618, 32427, 64854, 380717, 761434, 1142151, 2284302, 3426453, 6852906, 10279359, 20558718]

約数ペア:

[(1, 20558718), (2, 10279359), (3, 6852906), (6, 3426453), (9, 2284302), (18, 1142151), (27, 761434), (54, 380717), (317, 64854), (634, 32427), (951, 21618), (1201, 17118), (1902, 10809), (2402, 8559), (2853, 7206), (3603, 5706)]