20730567

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 34320384

約数和(自身を除く): 13589817

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 121, 143, 191, 253, 299, 363, 429, 573, 759, 897, 1573, 2101, 2483, 2783, 3289, 4393, 4719, 6303, 7449, 8349, 9867, 13179, 23111, 27313, 36179, 48323, 57109, 69333, 81939, 108537, 144969, 171327, 300443, 531553, 628199, 901329, 1594659, 1884597, 6910189, 20730567]

約数ペア:

[(1, 20730567), (3, 6910189), (11, 1884597), (13, 1594659), (23, 901329), (33, 628199), (39, 531553), (69, 300443), (121, 171327), (143, 144969), (191, 108537), (253, 81939), (299, 69333), (363, 57109), (429, 48323), (573, 36179), (759, 27313), (897, 23111), (1573, 13179), (2101, 9867), (2483, 8349), (2783, 7449), (3289, 6303), (4393, 4719)]