20216994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3463}}^1$

素因数の和:3614

約数の個数: 32

約数和(自身を含む): 46556160

約数和(自身を除く): 26339166

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 139, 278, 417, 834, 973, 1946, 2919, 3463, 5838, 6926, 10389, 20778, 24241, 48482, 72723, 145446, 481357, 962714, 1444071, 2888142, 3369499, 6738998, 10108497, 20216994]

約数ペア:

[(1, 20216994), (2, 10108497), (3, 6738998), (6, 3369499), (7, 2888142), (14, 1444071), (21, 962714), (42, 481357), (139, 145446), (278, 72723), (417, 48482), (834, 24241), (973, 20778), (1946, 10389), (2919, 6926), (3463, 5838)]