20374518

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{503}}^1$

素因数の和:708

約数の個数: 32

約数和(自身を含む): 42045696

約数和(自身を除く): 21671178

約数列:

[1, 2, 3, 6, 43, 86, 129, 157, 258, 314, 471, 503, 942, 1006, 1509, 3018, 6751, 13502, 20253, 21629, 40506, 43258, 64887, 78971, 129774, 157942, 236913, 473826, 3395753, 6791506, 10187259, 20374518]

約数ペア:

[(1, 20374518), (2, 10187259), (3, 6791506), (6, 3395753), (43, 473826), (86, 236913), (129, 157942), (157, 129774), (258, 78971), (314, 64887), (471, 43258), (503, 40506), (942, 21629), (1006, 20253), (1509, 13502), (3018, 6751)]