20218752807

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1933}}^1\times {\mathrm{13781}}^1$

素因数の和:15751

約数の個数: 32

約数和(自身を含む): 30705854976

約数和(自身を除く): 10487102169

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 1933, 5799, 13781, 21263, 41343, 44459, 63789, 133377, 151591, 316963, 454773, 489049, 950889, 1467147, 3486593, 10459779, 26638673, 79916019, 293025403, 612689479, 879076209, 1838068437, 6739584269, 20218752807]

約数ペア:

[(1, 20218752807), (3, 6739584269), (11, 1838068437), (23, 879076209), (33, 612689479), (69, 293025403), (253, 79916019), (759, 26638673), (1933, 10459779), (5799, 3486593), (13781, 1467147), (21263, 950889), (41343, 489049), (44459, 454773), (63789, 316963), (133377, 151591)]