20581362

素因数分解:

$2^1\times 3^2\times {\mathrm{211}}^1\times {\mathrm{5419}}^1$

素因数の和:5638

約数の個数: 24

約数和(自身を含む): 44812560

約数和(自身を除く): 24231198

約数列:

[1, 2, 3, 6, 9, 18, 211, 422, 633, 1266, 1899, 3798, 5419, 10838, 16257, 32514, 48771, 97542, 1143409, 2286818, 3430227, 6860454, 10290681, 20581362]

約数ペア:

[(1, 20581362), (2, 10290681), (3, 6860454), (6, 3430227), (9, 2286818), (18, 1143409), (211, 97542), (422, 48771), (633, 32514), (1266, 16257), (1899, 10838), (3798, 5419)]