20788506

素因数分解:

$2^1\times 3^2\times {\mathrm{223}}^1\times {\mathrm{5179}}^1$

素因数の和:5410

約数の個数: 24

約数和(自身を含む): 45252480

約数和(自身を除く): 24463974

約数列:

[1, 2, 3, 6, 9, 18, 223, 446, 669, 1338, 2007, 4014, 5179, 10358, 15537, 31074, 46611, 93222, 1154917, 2309834, 3464751, 6929502, 10394253, 20788506]

約数ペア:

[(1, 20788506), (2, 10394253), (3, 6929502), (6, 3464751), (9, 2309834), (18, 1154917), (223, 93222), (446, 46611), (669, 31074), (1338, 15537), (2007, 10358), (4014, 5179)]