20854694

素因数分解:

$2^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{883}}^1$

素因数の和:1140

約数の個数: 24

約数和(自身を含む): 36581688

約数和(自身を除く): 15726994

約数列:

[1, 2, 7, 14, 49, 98, 241, 482, 883, 1687, 1766, 3374, 6181, 11809, 12362, 23618, 43267, 86534, 212803, 425606, 1489621, 2979242, 10427347, 20854694]

約数ペア:

[(1, 20854694), (2, 10427347), (7, 2979242), (14, 1489621), (49, 425606), (98, 212803), (241, 86534), (482, 43267), (883, 23618), (1687, 12362), (1766, 11809), (3374, 6181)]