20639052

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81901}}^1$

素因数の和:81918

約数の個数: 36

約数和(自身を含む): 59624656

約数和(自身を除く): 38985604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81901, 163802, 245703, 327604, 491406, 573307, 737109, 982812, 1146614, 1474218, 1719921, 2293228, 2948436, 3439842, 5159763, 6879684, 10319526, 20639052]

約数ペア:

[(1, 20639052), (2, 10319526), (3, 6879684), (4, 5159763), (6, 3439842), (7, 2948436), (9, 2293228), (12, 1719921), (14, 1474218), (18, 1146614), (21, 982812), (28, 737109), (36, 573307), (42, 491406), (63, 327604), (84, 245703), (126, 163802), (252, 81901)]