20652183

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 33696000

約数和(自身を除く): 13043817

約数列:

[1, 3, 9, 19, 23, 57, 59, 69, 89, 171, 177, 207, 267, 437, 531, 801, 1121, 1311, 1357, 1691, 2047, 3363, 3933, 4071, 5073, 5251, 6141, 10089, 12213, 15219, 15753, 18423, 25783, 38893, 47259, 77349, 99769, 116679, 120773, 232047, 299307, 350037, 362319, 897921, 1086957, 2294687, 6884061, 20652183]

約数ペア:

[(1, 20652183), (3, 6884061), (9, 2294687), (19, 1086957), (23, 897921), (57, 362319), (59, 350037), (69, 299307), (89, 232047), (171, 120773), (177, 116679), (207, 99769), (267, 77349), (437, 47259), (531, 38893), (801, 25783), (1121, 18423), (1311, 15753), (1357, 15219), (1691, 12213), (2047, 10089), (3363, 6141), (3933, 5251), (4071, 5073)]