20564940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31159}}^1$

素因数の和:31182

約数の個数: 48

約数和(自身を含む): 62818560

約数和(自身を除く): 42253620

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 31159, 62318, 93477, 124636, 155795, 186954, 311590, 342749, 373908, 467385, 623180, 685498, 934770, 1028247, 1370996, 1713745, 1869540, 2056494, 3427490, 4112988, 5141235, 6854980, 10282470, 20564940]

約数ペア:

[(1, 20564940), (2, 10282470), (3, 6854980), (4, 5141235), (5, 4112988), (6, 3427490), (10, 2056494), (11, 1869540), (12, 1713745), (15, 1370996), (20, 1028247), (22, 934770), (30, 685498), (33, 623180), (44, 467385), (55, 373908), (60, 342749), (66, 311590), (110, 186954), (132, 155795), (165, 124636), (220, 93477), (330, 62318), (660, 31159)]