20634790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1721}}^1$

素因数の和:1848

約数の個数: 32

約数和(自身を含む): 40914720

約数和(自身を除く): 20279930

約数列:

[1, 2, 5, 10, 11, 22, 55, 109, 110, 218, 545, 1090, 1199, 1721, 2398, 3442, 5995, 8605, 11990, 17210, 18931, 37862, 94655, 187589, 189310, 375178, 937945, 1875890, 2063479, 4126958, 10317395, 20634790]

約数ペア:

[(1, 20634790), (2, 10317395), (5, 4126958), (10, 2063479), (11, 1875890), (22, 937945), (55, 375178), (109, 189310), (110, 187589), (218, 94655), (545, 37862), (1090, 18931), (1199, 17210), (1721, 11990), (2398, 8605), (3442, 5995)]