20817762

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11527}}^1$

素因数の和:11582

約数の個数: 32

約数和(自身を含む): 48694272

約数和(自身を除く): 27876510

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11527, 23054, 34581, 69162, 80689, 161378, 242067, 484134, 495661, 991322, 1486983, 2973966, 3469627, 6939254, 10408881, 20817762]

約数ペア:

[(1, 20817762), (2, 10408881), (3, 6939254), (6, 3469627), (7, 2973966), (14, 1486983), (21, 991322), (42, 495661), (43, 484134), (86, 242067), (129, 161378), (258, 80689), (301, 69162), (602, 34581), (903, 23054), (1806, 11527)]