20581554

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6203}}^1$

素因数の和:6294

約数の個数: 32

約数和(自身を含む): 47646720

約数和(自身を除く): 27065166

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 158, 237, 474, 553, 1106, 1659, 3318, 6203, 12406, 18609, 37218, 43421, 86842, 130263, 260526, 490037, 980074, 1470111, 2940222, 3430259, 6860518, 10290777, 20581554]

約数ペア:

[(1, 20581554), (2, 10290777), (3, 6860518), (6, 3430259), (7, 2940222), (14, 1470111), (21, 980074), (42, 490037), (79, 260526), (158, 130263), (237, 86842), (474, 43421), (553, 37218), (1106, 18609), (1659, 12406), (3318, 6203)]