20174895984

素因数分解:

$2^4\times 3^1\times {\mathrm{163}}^1\times {\mathrm{2578591}}^1$

素因数の和:2578765

約数の個数: 40

約数和(自身を含む): 52438246912

約数和(自身を除く): 32263350928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 163, 326, 489, 652, 978, 1304, 1956, 2608, 3912, 7824, 2578591, 5157182, 7735773, 10314364, 15471546, 20628728, 30943092, 41257456, 61886184, 123772368, 420310333, 840620666, 1260930999, 1681241332, 2521861998, 3362482664, 5043723996, 6724965328, 10087447992, 20174895984]

約数ペア:

[(1, 20174895984), (2, 10087447992), (3, 6724965328), (4, 5043723996), (6, 3362482664), (8, 2521861998), (12, 1681241332), (16, 1260930999), (24, 840620666), (48, 420310333), (163, 123772368), (326, 61886184), (489, 41257456), (652, 30943092), (978, 20628728), (1304, 15471546), (1956, 10314364), (2608, 7735773), (3912, 5157182), (7824, 2578591)]