20794683

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{211}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 36185856

約数和(自身を除く): 15391173

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 211, 247, 273, 361, 399, 633, 741, 1083, 1477, 1729, 2527, 2743, 4009, 4431, 4693, 5187, 7581, 8229, 12027, 14079, 19201, 28063, 32851, 52117, 57603, 76171, 84189, 98553, 156351, 228513, 364819, 533197, 990223, 1094457, 1599591, 2970669, 6931561, 20794683]

約数ペア:

[(1, 20794683), (3, 6931561), (7, 2970669), (13, 1599591), (19, 1094457), (21, 990223), (39, 533197), (57, 364819), (91, 228513), (133, 156351), (211, 98553), (247, 84189), (273, 76171), (361, 57603), (399, 52117), (633, 32851), (741, 28063), (1083, 19201), (1477, 14079), (1729, 12027), (2527, 8229), (2743, 7581), (4009, 5187), (4431, 4693)]