20042653575

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{720311}}^1$

素因数の和:720384

約数の個数: 48

約数和(自身を含む): 38585673216

約数和(自身を除く): 18543019641

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 53, 75, 105, 159, 175, 265, 371, 525, 795, 1113, 1325, 1855, 3975, 5565, 9275, 27825, 720311, 2160933, 3601555, 5042177, 10804665, 15126531, 18007775, 25210885, 38176483, 54023325, 75632655, 114529449, 126054425, 190882415, 267235381, 378163275, 572647245, 801706143, 954412075, 1336176905, 2863236225, 4008530715, 6680884525, 20042653575]

約数ペア:

[(1, 20042653575), (3, 6680884525), (5, 4008530715), (7, 2863236225), (15, 1336176905), (21, 954412075), (25, 801706143), (35, 572647245), (53, 378163275), (75, 267235381), (105, 190882415), (159, 126054425), (175, 114529449), (265, 75632655), (371, 54023325), (525, 38176483), (795, 25210885), (1113, 18007775), (1325, 15126531), (1855, 10804665), (3975, 5042177), (5565, 3601555), (9275, 2160933), (27825, 720311)]