20189493081

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{570373}}^1$

素因数の和:570427

約数の個数: 40

約数和(自身を含む): 33127321920

約数和(自身を除く): 12937828839

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 81, 171, 207, 437, 513, 621, 1311, 1539, 1863, 3933, 11799, 35397, 570373, 1711119, 5133357, 10837087, 13118579, 15400071, 32511261, 39355737, 46200213, 97533783, 118067211, 249253001, 292601349, 354201633, 747759003, 877804047, 1062604899, 2243277009, 6729831027, 20189493081]

約数ペア:

[(1, 20189493081), (3, 6729831027), (9, 2243277009), (19, 1062604899), (23, 877804047), (27, 747759003), (57, 354201633), (69, 292601349), (81, 249253001), (171, 118067211), (207, 97533783), (437, 46200213), (513, 39355737), (621, 32511261), (1311, 15400071), (1539, 13118579), (1863, 10837087), (3933, 5133357), (11799, 1711119), (35397, 570373)]