20006259

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1$

素因数の和:97

約数の個数: 72

約数和(自身を含む): 36484560

約数和(自身を除く): 16478301

約数列:

[1, 3, 7, 13, 19, 21, 29, 39, 49, 57, 87, 91, 133, 147, 203, 247, 273, 361, 377, 399, 551, 609, 637, 741, 931, 1083, 1131, 1421, 1653, 1729, 1911, 2527, 2639, 2793, 3857, 4263, 4693, 5187, 7163, 7581, 7917, 10469, 11571, 12103, 14079, 17689, 18473, 21489, 26999, 31407, 32851, 36309, 50141, 53067, 55419, 73283, 80997, 98553, 136097, 150423, 219849, 229957, 350987, 408291, 512981, 689871, 952679, 1052961, 1538943, 2858037, 6668753, 20006259]

約数ペア:

[(1, 20006259), (3, 6668753), (7, 2858037), (13, 1538943), (19, 1052961), (21, 952679), (29, 689871), (39, 512981), (49, 408291), (57, 350987), (87, 229957), (91, 219849), (133, 150423), (147, 136097), (203, 98553), (247, 80997), (273, 73283), (361, 55419), (377, 53067), (399, 50141), (551, 36309), (609, 32851), (637, 31407), (741, 26999), (931, 21489), (1083, 18473), (1131, 17689), (1421, 14079), (1653, 12103), (1729, 11571), (1911, 10469), (2527, 7917), (2639, 7581), (2793, 7163), (3857, 5187), (4263, 4693)]