20919108

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{249037}}^1$

素因数の和:249051

約数の個数: 24

約数和(自身を含む): 55784512

約数和(自身を除く): 34865404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 249037, 498074, 747111, 996148, 1494222, 1743259, 2988444, 3486518, 5229777, 6973036, 10459554, 20919108]

約数ペア:

[(1, 20919108), (2, 10459554), (3, 6973036), (4, 5229777), (6, 3486518), (7, 2988444), (12, 1743259), (14, 1494222), (21, 996148), (28, 747111), (42, 498074), (84, 249037)]