20702766

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2477}}^1$

素因数の和:2688

約数の個数: 32

約数和(自身を含む): 47577600

約数和(自身を除く): 26874834

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 199, 398, 597, 1194, 1393, 2477, 2786, 4179, 4954, 7431, 8358, 14862, 17339, 34678, 52017, 104034, 492923, 985846, 1478769, 2957538, 3450461, 6900922, 10351383, 20702766]

約数ペア:

[(1, 20702766), (2, 10351383), (3, 6900922), (6, 3450461), (7, 2957538), (14, 1478769), (21, 985846), (42, 492923), (199, 104034), (398, 52017), (597, 34678), (1194, 17339), (1393, 14862), (2477, 8358), (2786, 7431), (4179, 4954)]