20005901097

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{296687}}^1$

素因数の和:296742

約数の個数: 48

約数和(自身を含む): 34748098560

約数和(自身を除く): 14742197463

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 169, 247, 273, 399, 507, 741, 1183, 1729, 3211, 3549, 5187, 9633, 22477, 67431, 296687, 890061, 2076809, 3856931, 5637053, 6230427, 11570793, 16911159, 26998517, 39459371, 50140103, 73281689, 80995551, 118378113, 150420309, 219845067, 350980721, 512971823, 952661957, 1052942163, 1538915469, 2857985871, 6668633699, 20005901097]

約数ペア:

[(1, 20005901097), (3, 6668633699), (7, 2857985871), (13, 1538915469), (19, 1052942163), (21, 952661957), (39, 512971823), (57, 350980721), (91, 219845067), (133, 150420309), (169, 118378113), (247, 80995551), (273, 73281689), (399, 50140103), (507, 39459371), (741, 26998517), (1183, 16911159), (1729, 11570793), (3211, 6230427), (3549, 5637053), (5187, 3856931), (9633, 2076809), (22477, 890061), (67431, 296687)]