20653677

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:570

約数の個数: 32

約数和(自身を含む): 33644160

約数和(自身を除く): 12990483

約数列:

[1, 3, 9, 11, 27, 33, 99, 197, 297, 353, 591, 1059, 1773, 2167, 3177, 3883, 5319, 6501, 9531, 11649, 19503, 34947, 58509, 69541, 104841, 208623, 625869, 764951, 1877607, 2294853, 6884559, 20653677]

約数ペア:

[(1, 20653677), (3, 6884559), (9, 2294853), (11, 1877607), (27, 764951), (33, 625869), (99, 208623), (197, 104841), (297, 69541), (353, 58509), (591, 34947), (1059, 19503), (1773, 11649), (2167, 9531), (3177, 6501), (3883, 5319)]