20522476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{701}}^1$

素因数の和:1281

約数の個数: 24

約数和(自身を含む): 38800944

約数和(自身を除く): 18278468

約数列:

[1, 2, 4, 13, 26, 52, 563, 701, 1126, 1402, 2252, 2804, 7319, 9113, 14638, 18226, 29276, 36452, 394663, 789326, 1578652, 5130619, 10261238, 20522476]

約数ペア:

[(1, 20522476), (2, 10261238), (4, 5130619), (13, 1578652), (26, 789326), (52, 394663), (563, 36452), (701, 29276), (1126, 18226), (1402, 14638), (2252, 9113), (2804, 7319)]