20942790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63463}}^1$

素因数の和:63484

約数の個数: 32

約数和(自身を含む): 54832896

約数和(自身を除く): 33890106

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 63463, 126926, 190389, 317315, 380778, 634630, 698093, 951945, 1396186, 1903890, 2094279, 3490465, 4188558, 6980930, 10471395, 20942790]

約数ペア:

[(1, 20942790), (2, 10471395), (3, 6980930), (5, 4188558), (6, 3490465), (10, 2094279), (11, 1903890), (15, 1396186), (22, 951945), (30, 698093), (33, 634630), (55, 380778), (66, 317315), (110, 190389), (165, 126926), (330, 63463)]