20855002

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1657}}^1$

素因数の和:1726

約数の個数: 32

約数和(自身を含む): 38200320

約数和(自身を除く): 17345318

約数列:

[1, 2, 7, 14, 29, 31, 58, 62, 203, 217, 406, 434, 899, 1657, 1798, 3314, 6293, 11599, 12586, 23198, 48053, 51367, 96106, 102734, 336371, 359569, 672742, 719138, 1489643, 2979286, 10427501, 20855002]

約数ペア:

[(1, 20855002), (2, 10427501), (7, 2979286), (14, 1489643), (29, 719138), (31, 672742), (58, 359569), (62, 336371), (203, 102734), (217, 96106), (406, 51367), (434, 48053), (899, 23198), (1657, 12586), (1798, 11599), (3314, 6293)]