1982420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9011}}^1$

素因数の和:9031

約数の個数: 24

約数和(自身を含む): 4542048

約数和(自身を除く): 2559628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9011, 18022, 36044, 45055, 90110, 99121, 180220, 198242, 396484, 495605, 991210, 1982420]

約数ペア:

[(1, 1982420), (2, 991210), (4, 495605), (5, 396484), (10, 198242), (11, 180220), (20, 99121), (22, 90110), (44, 45055), (55, 36044), (110, 18022), (220, 9011)]