20058507

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 35143680

約数和(自身を除く): 15085173

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 109, 127, 161, 207, 327, 381, 483, 763, 889, 981, 1143, 1449, 2289, 2507, 2667, 2921, 6867, 7521, 8001, 8763, 13843, 17549, 20447, 22563, 26289, 41529, 52647, 61341, 96901, 124587, 157941, 184023, 290703, 318389, 872109, 955167, 2228723, 2865501, 6686169, 20058507]

約数ペア:

[(1, 20058507), (3, 6686169), (7, 2865501), (9, 2228723), (21, 955167), (23, 872109), (63, 318389), (69, 290703), (109, 184023), (127, 157941), (161, 124587), (207, 96901), (327, 61341), (381, 52647), (483, 41529), (763, 26289), (889, 22563), (981, 20447), (1143, 17549), (1449, 13843), (2289, 8763), (2507, 8001), (2667, 7521), (2921, 6867)]